diff --git a/api/cora/cora.php b/api/cora/cora.php
index 986b4f1..9755f4d 100644
--- a/api/cora/cora.php
+++ b/api/cora/cora.php
@@ -271,6 +271,10 @@ final class cora {
     $session = session::get_instance();
     $session_is_valid = $session->touch($this->api_user['session_key']);
 
+    // Make sure the updated session timestamp doesn't get rolled back on
+    // exception.
+    $this->database->commit_transaction();
+
     // Process each request.
     foreach($this->api_calls as $api_call) {
       // Store the currently running API call for tracking if an error occurs.
@@ -291,7 +295,7 @@ final class cora {
       // If the request requires a session, make sure it's valid.
       if($call_type === 'private') {
         if($session_is_valid === false) {
-          throw new \Exception('Session is expired.', 1004);
+          throw new exception('Session is expired.', 1004, false);
         }
       }
 
@@ -638,7 +642,8 @@ final class cora {
       $error_code,
       $error_file,
       $error_line,
-      debug_backtrace(false)
+      debug_backtrace(false),
+      true
     );
     die(); // Do not continue execution; shutdown handler will now run.
   }
@@ -655,7 +660,8 @@ final class cora {
       $e->getCode(),
       $e->getFile(),
       $e->getLine(),
-      $e->getTrace()
+      $e->getTrace(),
+      (method_exists($e, 'getReportable') === true ? $e->getReportable() : true)
     );
     die(); // Do not continue execution; shutdown handler will now run.
   }
@@ -671,7 +677,7 @@ final class cora {
    * @param int $error_line The line of the file the error happened on.
    * @param array $error_trace The stack trace for the error.
    */
-  public function set_error_response($error_message, $error_code, $error_file, $error_line, $error_trace) {
+  public function set_error_response($error_message, $error_code, $error_file, $error_line, $error_trace, $reportable) {
     // There are a few places that call this function to set an error response,
     // so this can't just be done in the exception handler alone. If an error
     // occurs, rollback the current transaction. Also only attempt to roll back
@@ -706,43 +712,45 @@ final class cora {
 
     // Send data to Sentry for error logging.
     // https://docs.sentry.io/development/sdk-dev/event-payloads/
-    $data = [
-      'event_id' => str_replace('-', '', exec('uuidgen -r')),
-      'timestamp' => date('c'),
-      'logger' => 'cora',
-      'platform' => 'php',
-      'level' => 'error',
-      'tags' => [
-        'error_code' => $error_code
-      ],
-      'extra' => [
-        'api_user_id' => $api_user_id,
-        'error_file' => $error_file,
-        'error_line' => $error_line,
-        'error_trace' => $error_trace
-      ],
-      'exception' => [
-        'type' => 'Exception',
-        'value' => $error_message,
-        'handled' => false
-      ],
-      'user' => [
-        'id' => $user_id,
-        'ip_address' => $_SERVER['REMOTE_ADDR']
-      ]
-    ];
+    if ($reportable === true) {
+      $data = [
+        'event_id' => str_replace('-', '', exec('uuidgen -r')),
+        'timestamp' => date('c'),
+        'logger' => 'cora',
+        'platform' => 'php',
+        'level' => 'error',
+        'tags' => [
+          'error_code' => $error_code
+        ],
+        'extra' => [
+          'api_user_id' => $api_user_id,
+          'error_file' => $error_file,
+          'error_line' => $error_line,
+          'error_trace' => $error_trace
+        ],
+        'exception' => [
+          'type' => 'Exception',
+          'value' => $error_message,
+          'handled' => false
+        ],
+        'user' => [
+          'id' => $user_id,
+          'ip_address' => $_SERVER['REMOTE_ADDR']
+        ]
+      ];
 
-    exec(
-      'curl ' .
-      '-H "Content-Type: application/json" ' .
-      '-H "X-Sentry-Auth: Sentry sentry_version=7, sentry_key=' . $this->setting->get('sentry_key') . '" ' .
-      '--silent ' . // silent; keeps logs out of stderr
-      '--show-error ' . // override silent on failure
-      '--max-time 10 ' .
-      '--connect-timeout 5 ' .
-      '--data \'' . json_encode($data) . '\' ' .
-      '"https://sentry.io/api/' . $this->setting->get('sentry_project_id') . '/store/" > /dev/null &'
-    );
+      exec(
+        'curl ' .
+        '-H "Content-Type: application/json" ' .
+        '-H "X-Sentry-Auth: Sentry sentry_version=7, sentry_key=' . $this->setting->get('sentry_key') . '" ' .
+        '--silent ' . // silent; keeps logs out of stderr
+        '--show-error ' . // override silent on failure
+        '--max-time 10 ' .
+        '--connect-timeout 5 ' .
+        '--data \'' . json_encode($data) . '\' ' .
+        '"https://sentry.io/api/' . $this->setting->get('sentry_project_id') . '/store/" > /dev/null &'
+      );
+    }
   }
 
   /**
@@ -779,7 +787,8 @@ final class cora {
           $error['type'],
           $error['file'],
           $error['line'],
-          debug_backtrace(false)
+          debug_backtrace(false),
+          true
         );
       }
 
@@ -824,7 +833,8 @@ final class cora {
         $e->getCode(),
         $e->getFile(),
         $e->getLine(),
-        $e->getTrace()
+        $e->getTrace(),
+        (method_exists($e, 'getReportable') === true ? $e->getReportable() : true)
       );
       $this->set_default_headers();
       $this->output_headers();
diff --git a/api/cora/database.php b/api/cora/database.php
index aa2fd24..ba1fb29 100644
--- a/api/cora/database.php
+++ b/api/cora/database.php
@@ -695,18 +695,21 @@ final class database extends \mysqli {
   }
 
   /**
-   * Actually delete a row from a table by the primary key.
+   * Set deleted = 1 on the database row.
    *
-   * @param string $table The table to delete from.
+   * @param string $resource The table to delete from.
    * @param int $id The value of the primary key to delete.
    *
    * @return int The number of rows affected by the delete (could be 0).
    */
-  public function delete($table, $id) {
-    $query = 'delete from ' . $this->escape_identifier($table) .
-      ' where ' . $this->escape_identifier($table . '_id') . ' = ' .
-      $this->escape($id);
-    $this->query($query);
+  public function delete($resource, $id) {
+    $table = $this->get_table($resource);
+
+    $attributes = [];
+    $attributes[$table . '_id'] = $id;
+    $attributes['deleted'] = true;
+
+    $this->update($resource, $attributes);
 
     return $this->affected_rows;
   }
diff --git a/api/cora/exception.php b/api/cora/exception.php
new file mode 100644
index 0000000..2250a10
--- /dev/null
+++ b/api/cora/exception.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace cora;
+
+/**
+ * Custom exception class. Requires message, code, and replaces $previous with
+ * $reportable to indicate if the exception should be reported to a logging
+ * service or not.
+ *
+ * The class name was made lowercase to simplify autoincludes, but the
+ * interface was otherwise left alone because I still need to support catching
+ * regular exceptions.
+ *
+ * @author Jon Ziebell
+ */
+final class exception extends \Exception {
+  public function __construct($message, $code, $reportable = true) {
+    $this->reportable = $reportable;
+    return parent::__construct($message, $code, null);
+  }
+
+  public function getReportable() {
+    return $this->reportable;
+  }
+}
diff --git a/api/cora/session.php b/api/cora/session.php
index 9c8c695..8d15c08 100644
--- a/api/cora/session.php
+++ b/api/cora/session.php
@@ -225,13 +225,7 @@ final class session {
 
     $sessions = $database->read('cora\session', ['session_key' => $session_key]);
     if(count($sessions) === 1) {
-      $database->update(
-        'cora\session',
-        [
-          'session_id' => $sessions[0]['session_id'],
-          'deleted' => 1
-        ]
-      );
+      $database->delete('cora\session', $sessions[0]['session_id']);
       // Remove these if the current session got logged out.
       if($session_key === $this->session_key) {
         $this->session_key = null;
diff --git a/api/ecobee.php b/api/ecobee.php
index b597f7f..11cdcb9 100644
--- a/api/ecobee.php
+++ b/api/ecobee.php
@@ -187,7 +187,8 @@ class ecobee extends external_api {
           []
         );
         if(count($ecobee_tokens) !== 1) {
-          throw new Exception('No token for this user');
+          $this->api('user', 'log_out', ['all' => true]);
+          throw new cora\exception('No ecobee access for this user.', 10501, false);
         }
         $ecobee_token = $ecobee_tokens[0];
       }
@@ -236,6 +237,15 @@ class ecobee extends external_api {
         throw new Exception($response['status']['message']);
       }
     }
+    else if (isset($response['status']) === true && $response['status']['code'] === 16) {
+      // Token has been deauthorized by user. You must re-request authorization.
+      if($this::$log_mysql !== 'all') {
+        $this->log_mysql($curl_response);
+      }
+      $this->api('ecobee_token', 'delete', $ecobee_token['ecobee_token_id']);
+      $this->api('user', 'log_out', ['all' => true]);
+      throw new cora\exception('Ecobee access was revoked by user.', 10500, false);
+    }
     else if (isset($response['status']) === true && $response['status']['code'] !== 0) {
       // Any other error
       if($this::$log_mysql !== 'all') {
diff --git a/api/ecobee_token.php b/api/ecobee_token.php
index dd61ed4..0f6797b 100644
--- a/api/ecobee_token.php
+++ b/api/ecobee_token.php
@@ -68,7 +68,8 @@ class ecobee_token extends cora\crud {
     $ecobee_tokens = $database->read(
       'ecobee_token',
       [
-        'user_id' => $this->session->get_user_id()
+        'user_id' => $this->session->get_user_id(),
+        'deleted' => false
       ]
     );
     if(count($ecobee_tokens) === 0) {
@@ -94,6 +95,7 @@ class ecobee_token extends cora\crud {
       isset($response['refresh_token']) === false
     ) {
       $this->delete($ecobee_token['ecobee_token_id']);
+      $this->api('user', 'log_out', ['all' => true]);
       $database->release_lock($lock_name);
       throw new Exception('Could not refresh ecobee token; ecobee returned no token.', 10002);
     }
@@ -125,10 +127,7 @@ class ecobee_token extends cora\crud {
     $database = cora\database::get_transactionless_instance();
 
     // Need to delete the token before logging out or else the delete fails.
-    $return = $database->delete('ecobee_token', $id);
-
-    // Log out
-    $this->api('user', 'log_out', ['all' => true]);
+    $return = $database->delete($this->resource, $id);
 
     return $return;
   }
diff --git a/api/patreon_token.php b/api/patreon_token.php
index 477097c..fb4079e 100644
--- a/api/patreon_token.php
+++ b/api/patreon_token.php
@@ -74,11 +74,11 @@ class patreon_token extends cora\crud {
     $lock_name = 'patreon_token->refresh(' . $this->session->get_user_id() . ')';
     $database->get_lock($lock_name, 3);
 
-    // $patreon_tokens = $this->read();
     $patreon_tokens = $database->read(
       'patreon_token',
       [
-        'user_id' => $this->session->get_user_id()
+        'user_id' => $this->session->get_user_id(),
+        'deleted' => false
       ]
     );
     if(count($patreon_tokens) === 0) {
@@ -130,7 +130,7 @@ class patreon_token extends cora\crud {
    */
   public function delete($id) {
     $database = cora\database::get_transactionless_instance();
-    $return = $database->delete('patreon_token', $id);
+    $return = $database->delete($this->resource, $id);
     return $return;
   }
 
diff --git a/api/user.php b/api/user.php
index a6cdd19..cf4128d 100644
--- a/api/user.php
+++ b/api/user.php
@@ -144,7 +144,9 @@ class user extends cora\crud {
     }
 
     if($all === true) {
-      $database = cora\database::get_instance();
+      // Sometimes I need to log out and then throw an exception. Using the
+      // transactionless instance makes sure that actually works.
+      $database = cora\database::get_transactionless_instance();
       $sessions = $database->read(
         'cora\session',
         [
@@ -154,7 +156,7 @@ class user extends cora\crud {
       );
       $success = true;
       foreach($sessions as $session) {
-        $success &= $this->session->delete($session['session_key']);
+        $success &= $database->delete('cora\session', $session['session_id']);
       }
       return $success;
     }
diff --git a/js/beestat/api.js b/js/beestat/api.js
index 46eb389..c53fa0e 100644
--- a/js/beestat/api.js
+++ b/js/beestat/api.js
@@ -46,10 +46,6 @@ beestat.api.prototype.send = function(opt_api_call) {
       self.load_(this.responseText);
     });
 
-    // var endpoint = (window.environment === 'live')
-      // ? 'https://api.beestat.io/'
-      // : 'http://' + window.environment + '.api.beestat.io/';
-    // this.xhr_.open('POST', endpoint + '?' + query_string);
     this.xhr_.open('POST', 'api/?' + query_string);
     this.xhr_.send();
   } else {
@@ -172,10 +168,12 @@ beestat.api.prototype.load_ = function(response_text) {
   if (
     response.data &&
     (
-      response.data.error_code === 1004 || // Session is expired.
-      response.data.error_code === 10001 || // Could not get first token.
-      response.data.error_code === 10002 || // Could not refresh ecobee token; no token found.
-      response.data.error_code === 10003 // Could not refresh ecobee token; ecobee returned no token.
+      response.data.error_code === 1004  || // Session is expired.
+      response.data.error_code === 10000 || // Could not get first token.
+      response.data.error_code === 10001 || // Could not refresh ecobee token; no token found.
+      response.data.error_code === 10002 || // Could not refresh ecobee token; ecobee returned no token.
+      response.data.error_code === 10500 || // Ecobee access was revoked by user.
+      response.data.error_code === 10501    // No ecobee access for this user.
     )
   ) {
     window.location.href = '/';