Ticket #5744: 5744.patch

_source/plugins/scayt/plugin.js

@@ -161 +161 @@
                         {
                                 var editor = ev.editor,
                                         scayt_instance = plugin.getScayt( editor );
+                                if ( !scayt_instance )
+                                        return;
+                                // store a control id for restore a specific scayt control settings
+                                plugin.setControlId(editor, scayt_instance.id);
                                 delete plugin.instances[ editor.name ];
-                                // store a control id for restore a specific scayt control settings
-                                scayt_control_id = scayt_instance.id;
                                 scayt_instance.destroy( true );
                         });