diff --git a/resources/views/invoices/edit.blade.php b/resources/views/invoices/edit.blade.php
index 9f7104ef8881..31090f491a23 100644
--- a/resources/views/invoices/edit.blade.php
+++ b/resources/views/invoices/edit.blade.php
@@ -1716,8 +1716,10 @@
         window.countUploadingDocuments--;
     }
 
-    function handleDocumentError() {
+    function handleDocumentError(file) {
+		dropzone.removeFile(file);
         window.countUploadingDocuments--;
+		swal("{!! trans('texts.error_refresh_page') !!}");
     }
 
 	</script>
diff --git a/resources/views/invoices/knockout.blade.php b/resources/views/invoices/knockout.blade.php
index d5eca7b67f69..40e89238728c 100644
--- a/resources/views/invoices/knockout.blade.php
+++ b/resources/views/invoices/knockout.blade.php
@@ -271,7 +271,10 @@ function InvoiceModel(data) {
     }
 
     self.removeDocument = function(doc) {
-         var public_id = doc.public_id?doc.public_id():doc;
+         var public_id = doc && doc.public_id ? doc.public_id() : doc;
+         if (! public_id) {
+             return;
+         }
          self.documents.remove(function(document) {
             return document.public_id() == public_id;
         });