diff --git a/app/Ninja/Import/FreshBooks/ClientTransformer.php b/app/Ninja/Import/FreshBooks/ClientTransformer.php
index 77200a2f364d..d71be4befdd9 100644
--- a/app/Ninja/Import/FreshBooks/ClientTransformer.php
+++ b/app/Ninja/Import/FreshBooks/ClientTransformer.php
@@ -13,20 +13,20 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->organization,
-                'work_phone' => $data->busphone,
-                'address1' => $data->street,
-                'address2' => $data->street2,
-                'city' => $data->city,
-                'state' => $data->province,
-                'postal_code' => $data->postalcode,
-                'private_notes' => $data->notes,
+                'name' => $this->getString($data, 'organization'),
+                'work_phone' => $this->getString($data, 'busphone'),
+                'address1' => $this->getString($data, 'street'),
+                'address2' => $this->getString($data, 'street2'),
+                'city' => $this->getString($data, 'city'),
+                'state' => $this->getString($data, 'province'),
+                'postal_code' => $this->getString($data, 'postalcode'),
+                'private_notes' => $this->getString($data, 'notes'),
                 'contacts' => [
                     [
-                        'first_name' => $data->firstname,
-                        'last_name' => $data->lastname,
-                        'email' => $data->email,
-                        'phone' => $data->mobphone ?: $data->homephone,
+                        'first_name' => $this->getString($data, 'firstname'),
+                        'last_name' => $this->getString($data, 'lastname'),
+                        'email' => $this->getString($data, 'email'),
+                        'phone' => $this->getString($data, 'mobphone') ?: $this->getString($data, 'homephone'),
                     ],
                 ],
                 'country_id' => $this->getCountryId($data->country),
diff --git a/app/Ninja/Import/FreshBooks/InvoiceTransformer.php b/app/Ninja/Import/FreshBooks/InvoiceTransformer.php
index 66f768873e4f..06c4af967491 100644
--- a/app/Ninja/Import/FreshBooks/InvoiceTransformer.php
+++ b/app/Ninja/Import/FreshBooks/InvoiceTransformer.php
@@ -20,14 +20,13 @@ class InvoiceTransformer extends BaseTransformer
                 'client_id' => $this->getClientId($data->organization),
                 'invoice_number' => $this->getInvoiceNumber($data->invoice_number),
                 'paid' => (float) $data->paid,
-                'po_number' => $data->po_number,
-                'terms' => $data->terms,
-                'public_notes' => $data->notes,
+                'po_number' => $this->getString($data, 'po_number'),
+                'terms' => $this->getString($data, 'terms'),
                 'invoice_date_sql' => $data->create_date,
                 'invoice_items' => [
                     [
                         'product_key' => '',
-                        'notes' => $data->notes,
+                        'notes' => $this->getString($data, 'notes'),
                         'cost' => (float) $data->amount,
                         'qty' => 1,
                     ]
diff --git a/app/Ninja/Import/Harvest/ClientTransformer.php b/app/Ninja/Import/Harvest/ClientTransformer.php
index 19c048540a12..fb8200ec3ae0 100644
--- a/app/Ninja/Import/Harvest/ClientTransformer.php
+++ b/app/Ninja/Import/Harvest/ClientTransformer.php
@@ -13,7 +13,7 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->client_name,
+                'name' => $this->getString($data, 'client_name'),
             ];
         });
     }
diff --git a/app/Ninja/Import/Harvest/ContactTransformer.php b/app/Ninja/Import/Harvest/ContactTransformer.php
index b7804cd0abbe..6baf883c95c2 100644
--- a/app/Ninja/Import/Harvest/ContactTransformer.php
+++ b/app/Ninja/Import/Harvest/ContactTransformer.php
@@ -14,10 +14,10 @@ class ContactTransformer extends BaseTransformer
         return new Item($data, function ($data) {
             return [
                 'client_id' => $this->getClientId($data->client),
-                'first_name' => $data->first_name,
-                'last_name' => $data->last_name,
-                'email' => $data->email,
-                'phone' => $data->office_phone ?: $data->mobile_phone,
+                'first_name' => $this->getString($data, 'first_name'),
+                'last_name' => $this->getString($data, 'last_name'),
+                'email' => $this->getString($data, 'email'),
+                'phone' => $this->getString($data, 'office_phone') ?: $this->getString($data, 'mobile_phone'),
             ];
         });
     }
diff --git a/app/Ninja/Import/Harvest/InvoiceTransformer.php b/app/Ninja/Import/Harvest/InvoiceTransformer.php
index e33bd9d14548..850eeede594c 100644
--- a/app/Ninja/Import/Harvest/InvoiceTransformer.php
+++ b/app/Ninja/Import/Harvest/InvoiceTransformer.php
@@ -20,12 +20,12 @@ class InvoiceTransformer extends BaseTransformer
                 'client_id' => $this->getClientId($data->client),
                 'invoice_number' => $this->getInvoiceNumber($data->id),
                 'paid' => (float) $data->paid_amount,
-                'po_number' => $data->po_number,
+                'po_number' => $this->getString($data, 'po_number'),
                 'invoice_date_sql' => $this->getDate($data->issue_date, 'm/d/Y'),
                 'invoice_items' => [
                     [
                         'product_key' => '',
-                        'notes' => $data->subject,
+                        'notes' => $this->getString($data, 'subject'),
                         'cost' => (float) $data->invoice_amount,
                         'qty' => 1,
                     ]
diff --git a/app/Ninja/Import/Hiveage/ClientTransformer.php b/app/Ninja/Import/Hiveage/ClientTransformer.php
index 7b4fcdc7bf79..515eb8353562 100644
--- a/app/Ninja/Import/Hiveage/ClientTransformer.php
+++ b/app/Ninja/Import/Hiveage/ClientTransformer.php
@@ -13,21 +13,21 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->name,
+                'name' => $this->getString($data, 'name'),
                 'contacts' => [
                     [
                         'first_name' => $this->getFirstName($data->primary_contact),
                         'last_name' => $this->getLastName($data->primary_contactk),
-                        'email' => $data->business_email,
+                        'email' => $this->getString($data, 'business_email'),
                     ],
                 ],
-                'address1' => $data->address_1,
-                'address2' => $data->address_2,
-                'city' => $data->city,
-                'state' => $data->state_name,
-                'postal_code' => $data->zip_code,
-                'work_phone' => $data->phone,
-                'website' => $data->website,
+                'address1' => $this->getString($data, 'address_1'),
+                'address2' => $this->getString($data, 'address_2'),
+                'city' => $this->getString($data, 'city'),
+                'state' => $this->getString($data, 'state_name'),
+                'postal_code' => $this->getString($data, 'zip_code'),
+                'work_phone' => $this->getString($data, 'phone'),
+                'website' => $this->getString($data, 'website'),
                 'country_id' => $this->getCountryId($data->country),
             ];
         });
diff --git a/app/Ninja/Import/Hiveage/InvoiceTransformer.php b/app/Ninja/Import/Hiveage/InvoiceTransformer.php
index 72193308946b..e9054f1b8791 100644
--- a/app/Ninja/Import/Hiveage/InvoiceTransformer.php
+++ b/app/Ninja/Import/Hiveage/InvoiceTransformer.php
@@ -25,7 +25,7 @@ class InvoiceTransformer extends BaseTransformer
                 'invoice_items' => [
                     [
                         'product_key' => '',
-                        'notes' => $data->summary,
+                        'notes' => $this->getString($data, 'summary'),
                         'cost' => (float) $data->billed_total,
                         'qty' => 1,
                     ]
diff --git a/app/Ninja/Import/Invoiceable/ClientTransformer.php b/app/Ninja/Import/Invoiceable/ClientTransformer.php
index 20e5ee0e16af..7e462ceef9b0 100644
--- a/app/Ninja/Import/Invoiceable/ClientTransformer.php
+++ b/app/Ninja/Import/Invoiceable/ClientTransformer.php
@@ -13,19 +13,19 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->client_name,
-                'work_phone' => $data->tel,
-                'website' => $data->website,
-                'address1' => $data->address,
-                'city' => $data->city,
-                'state' => $data->state,
-                'postal_code' => $data->postcode,
+                'name' => $this->getString($data, 'client_name'),
+                'work_phone' => $this->getString($data, 'tel'),
+                'website' => $this->getString($data, 'website'),
+                'address1' => $this->getString($data, 'address'),
+                'city' => $this->getString($data, 'city'),
+                'state' => $this->getString($data, 'state'),
+                'postal_code' => $this->getString($data, 'postcode'),
                 'country_id' => $this->getCountryIdBy2($data->country),
-                'private_notes' => $data->notes,
+                'private_notes' => $this->getString($data, 'notes'),
                 'contacts' => [
                     [
-                        'email' => $data->email,
-                        'phone' => $data->mobile,
+                        'email' => $this->getString($data, 'email'),
+                        'phone' => $this->getString($data, 'mobile'),
                     ],
                 ],
             ];
diff --git a/app/Ninja/Import/Invoiceable/InvoiceTransformer.php b/app/Ninja/Import/Invoiceable/InvoiceTransformer.php
index 1d08d56f2d58..f6697a7e90c2 100644
--- a/app/Ninja/Import/Invoiceable/InvoiceTransformer.php
+++ b/app/Ninja/Import/Invoiceable/InvoiceTransformer.php
@@ -19,15 +19,15 @@ class InvoiceTransformer extends BaseTransformer
             return [
                 'client_id' => $this->getClientId($data->client_name),
                 'invoice_number' => $this->getInvoiceNumber($data->ref),
-                'po_number' => $data->po_number,
+                'po_number' => $this->getString($data, 'po_number'),
                 'invoice_date_sql' => $data->date,
                 'due_date_sql' => $data->due_date,
-                'invoice_footer' => $data->footer,
+                'invoice_footer' => $this->getString($data, 'footer'),
                 'paid' => (float) $data->paid,
                 'invoice_items' => [
                     [
                         'product_key' => '',
-                        'notes' => $data->description,
+                        'notes' => $this->getString($data, 'description'),
                         'cost' => (float) $data->total,
                         'qty' => 1,
                     ]
diff --git a/app/Ninja/Import/Nutcache/ClientTransformer.php b/app/Ninja/Import/Nutcache/ClientTransformer.php
index b123ec3129a4..74705a597a24 100644
--- a/app/Ninja/Import/Nutcache/ClientTransformer.php
+++ b/app/Ninja/Import/Nutcache/ClientTransformer.php
@@ -13,19 +13,19 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->name,
-                'city' => isset($data->city) ? $data->city : '',
-                'state' => isset($data->city) ? $data->stateprovince : '',
-                'id_number' => isset($data->registration_number) ? $data->registration_number : '',
-                'postal_code' => isset($data->postalzip_code) ? $data->postalzip_code : '',
-                'private_notes' => isset($data->notes) ? $data->notes : '',
-                'work_phone' => isset($data->phone) ? $data->phone : '',
+                'name' => $this->getString($data, 'name'),
+                'city' => $this->getString($data, 'city'),
+                'state' => $this->getString($data, 'stateprovince'),
+                'id_number' => $this->getString($data, 'registration_number'),
+                'postal_code' => $this->getString($data, 'postalzip_code'),
+                'private_notes' => $this->getString($data, 'notes'),
+                'work_phone' => $this->getString($data, 'phone'),
                 'contacts' => [
                     [
                         'first_name' => isset($data->contact_name) ? $this->getFirstName($data->contact_name) : '',
                         'last_name' => isset($data->contact_name) ? $this->getLastName($data->contact_name) : '',
-                        'email' => $data->email,
-                        'phone' => isset($data->mobile) ? $data->mobile : '',
+                        'email' => $this->getString($data, 'email'),
+                        'phone' => $this->getString($data, 'mobile'),
                     ],
                 ],
                 'country_id' => isset($data->country) ? $this->getCountryId($data->country) : null,
diff --git a/app/Ninja/Import/Nutcache/InvoiceTransformer.php b/app/Ninja/Import/Nutcache/InvoiceTransformer.php
index 3d9a8c9cbd7a..a3e3bc91372d 100644
--- a/app/Ninja/Import/Nutcache/InvoiceTransformer.php
+++ b/app/Ninja/Import/Nutcache/InvoiceTransformer.php
@@ -20,15 +20,15 @@ class InvoiceTransformer extends BaseTransformer
                 'client_id' => $this->getClientId($data->client),
                 'invoice_number' => $this->getInvoiceNumber($data->document_no),
                 'paid' => (float) $data->paid_to_date,
-                'po_number' => $data->purchase_order,
-                'terms' => $data->terms,
-                'public_notes' => $data->notes,
+                'po_number' => $this->getString($data, 'purchase_order'),
+                'terms' => $this->getString($data, 'terms'),
+                'public_notes' => $this->getString($data, 'notes'),
                 'invoice_date_sql' => $this->getDate($data->date),
                 'due_date_sql' => $this->getDate($data->due_date),
                 'invoice_items' => [
                     [
                         'product_key' => '',
-                        'notes' => $data->description,
+                        'notes' => $this->getString($data, 'description'),
                         'cost' => (float) $data->total,
                         'qty' => 1,
                     ]
diff --git a/app/Ninja/Import/Ronin/ClientTransformer.php b/app/Ninja/Import/Ronin/ClientTransformer.php
index 0dbf6eb519c6..f79523830e99 100644
--- a/app/Ninja/Import/Ronin/ClientTransformer.php
+++ b/app/Ninja/Import/Ronin/ClientTransformer.php
@@ -13,13 +13,13 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->company,
-                'work_phone' => $data->phone,
+                'name' => $this->getString($data, 'company'),
+                'work_phone' => $this->getString($data, 'phone'),
                 'contacts' => [
                     [
                         'first_name' => $this->getFirstName($data->name),
                         'last_name' => $this->getLastName($data->name),
-                        'email' => $data->email,
+                        'email' => $this->getString($data, 'email'),
                     ],
                 ],
             ];
diff --git a/app/Ninja/Import/Ronin/InvoiceTransformer.php b/app/Ninja/Import/Ronin/InvoiceTransformer.php
index ca92e33a8f44..5a4ff6ce2aba 100644
--- a/app/Ninja/Import/Ronin/InvoiceTransformer.php
+++ b/app/Ninja/Import/Ronin/InvoiceTransformer.php
@@ -20,13 +20,13 @@ class InvoiceTransformer extends BaseTransformer
                 'client_id' => $this->getClientId($data->client),
                 'invoice_number' => $this->getInvoiceNumber($data->number),
                 'paid' => (float) $data->total - (float) $data->balance,
-                'public_notes' => $data->subject,
+                'public_notes' => $this->getString($data, 'subject'),
                 'invoice_date_sql' => $data->date_sent,
                 'due_date_sql' => $data->date_due,
                 'invoice_items' => [
                     [
                         'product_key' => '',
-                        'notes' => $data->line_item,
+                        'notes' => $this->getString($data, 'line_item'),
                         'cost' => (float) $data->total,
                         'qty' => 1,
                     ]
diff --git a/app/Ninja/Import/Wave/ClientTransformer.php b/app/Ninja/Import/Wave/ClientTransformer.php
index 9d6e9edfe21a..f76ba9c48a26 100644
--- a/app/Ninja/Import/Wave/ClientTransformer.php
+++ b/app/Ninja/Import/Wave/ClientTransformer.php
@@ -13,22 +13,22 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->customer_name,
-                'id_number' => $data->account_number,
-                'work_phone' => $data->phone,
-                'website' => $data->website,
-                'address1' => $data->address_line_1,
-                'address2' => $data->address_line_2,
-                'city' => $data->city,
-                'state' => $data->provincestate,
-                'postal_code' => $data->postal_codezip_code,
-                'private_notes' => $data->delivery_instructions,
+                'name' => $this->getString($data, 'customer_name'),
+                'id_number' => $this->getString($data, 'account_number'),
+                'work_phone' => $this->getString($data, 'phone'),
+                'website' => $this->getString($data, 'website'),
+                'address1' => $this->getString($data, 'address_line_1'),
+                'address2' => $this->getString($data, 'address_line_2'),
+                'city' => $this->getString($data, 'city'),
+                'state' => $this->getString($data, 'provincestate'),
+                'postal_code' => $this->getString($data, 'postal_codezip_code'),
+                'private_notes' => $this->getString($data, 'delivery_instructions'),
                 'contacts' => [
                     [
-                        'first_name' => $data->contact_first_name,
-                        'last_name' => $data->contact_last_name,
-                        'email' => $data->email,
-                        'phone' => $data->mobile,
+                        'first_name' => $this->getString($data, 'contact_first_name'),
+                        'last_name' => $this->getString($data, 'contact_last_name'),
+                        'email' => $this->getString($data, 'email'),
+                        'phone' => $this->getString($data, 'mobile'),
                     ],
                 ],
                 'country_id' => $this->getCountryId($data->country),
diff --git a/app/Ninja/Import/Wave/InvoiceTransformer.php b/app/Ninja/Import/Wave/InvoiceTransformer.php
index 9d1cde0d6ea8..b10585aa72bd 100644
--- a/app/Ninja/Import/Wave/InvoiceTransformer.php
+++ b/app/Ninja/Import/Wave/InvoiceTransformer.php
@@ -19,14 +19,14 @@ class InvoiceTransformer extends BaseTransformer
             return [
                 'client_id' => $this->getClientId($data->customer),
                 'invoice_number' => $this->getInvoiceNumber($data->invoice_num),
-                'po_number' => $data->po_so,
+                'po_number' => $this->getString($data, 'po_so'),
                 'invoice_date_sql' => $this->getDate($data->invoice_date),
                 'due_date_sql' => $this->getDate($data->due_date),
                 'paid' => 0,
                 'invoice_items' => [
                     [
-                        'product_key' => $data->product,
-                        'notes' => $data->description,
+                        'product_key' => $this->getString($data, 'product'),
+                        'notes' => $this->getString($data, 'description'),
                         'cost' => (float) $data->amount,
                         'qty' => (float) $data->quantity,
                     ]
diff --git a/app/Ninja/Import/Zoho/ClientTransformer.php b/app/Ninja/Import/Zoho/ClientTransformer.php
index 6a1a77ba394e..689bd1cf1a26 100644
--- a/app/Ninja/Import/Zoho/ClientTransformer.php
+++ b/app/Ninja/Import/Zoho/ClientTransformer.php
@@ -13,21 +13,21 @@ class ClientTransformer extends BaseTransformer
 
         return new Item($data, function ($data) {
             return [
-                'name' => $data->customer_name,
-                'id_number' => $data->customer_id,
-                'work_phone' => $data->phonek,
-                'address1' => $data->billing_address,
-                'city' => $data->billing_city,
-                'state' => $data->billing_state,
-                'postal_code' => $data->billing_code,
-                'private_notes' => $data->notes,
-                'website' => $data->website,
+                'name' => $this->getString($data, 'customer_name'),
+                'id_number' => $this->getString($data, 'customer_id'),
+                'work_phone' => $this->getString($data, 'phone'),
+                'address1' => $this->getString($data, 'billing_address'),
+                'city' => $this->getString($data, 'billing_city'),
+                'state' => $this->getString($data, 'billing_state'),
+                'postal_code' => $this->getString($data, 'billing_code'),
+                'private_notes' => $this->getString($data, 'notes'),
+                'website' => $this->getString($data, 'website'),
                 'contacts' => [
                     [
-                        'first_name' => $data->first_name,
-                        'last_name' => $data->last_name,
-                        'email' => $data->emailid,
-                        'phone' => $data->mobilephone,
+                        'first_name' => $this->getString($data, 'first_name'),
+                        'last_name' => $this->getString($data, 'last_name'),
+                        'email' => $this->getString($data, 'emailid'),
+                        'phone' => $this->getString($data, 'mobilephone'),
                     ],
                 ],
                 'country_id' => $this->getCountryId($data->billing_country),
diff --git a/app/Ninja/Import/Zoho/InvoiceTransformer.php b/app/Ninja/Import/Zoho/InvoiceTransformer.php
index e27fbbd038df..f6fc3c44a7a1 100644
--- a/app/Ninja/Import/Zoho/InvoiceTransformer.php
+++ b/app/Ninja/Import/Zoho/InvoiceTransformer.php
@@ -20,13 +20,13 @@ class InvoiceTransformer extends BaseTransformer
                 'client_id' => $this->getClientId($data->customer_name),
                 'invoice_number' => $this->getInvoiceNumber($data->invoice_number),
                 'paid' => (float) $data->total - (float) $data->balance,
-                'po_number' => $data->purchaseorder,
+                'po_number' => $this->getString($data, 'purchaseorder'),
                 'due_date_sql' => $data->due_date,
                 'invoice_date_sql' => $data->invoice_date,
                 'invoice_items' => [
                     [
                         'product_key' => '',
-                        'notes' => $data->item_desc,
+                        'notes' => $this->getString($data, 'item_desc'),
                         'cost' => (float) $data->total,
                         'qty' => 1,
                     ]