diff --git a/apps/documenteditor/embed/js/ApplicationController.js b/apps/documenteditor/embed/js/ApplicationController.js
index bb79cb55f..ddff08fb3 100644
--- a/apps/documenteditor/embed/js/ApplicationController.js
+++ b/apps/documenteditor/embed/js/ApplicationController.js
@@ -360,6 +360,16 @@ var ApplicationController = new(function(){
     }
 
     function onError(id, level, errData) {
+        if (id == Asc.c_oAscError.ID.LoadingScriptError) {
+            $('#id-critical-error-title').text(me.criticalErrorTitle);
+            $('#id-critical-error-message').text(me.scriptLoadError);
+            $('#id-critical-error-close').off().on('click', function(){
+                window.location.reload();
+            });
+            $('#id-critical-error-dialog').css('z-index', 20002).modal('show');
+            return;
+        }
+
         hidePreloader();
 
         var message;
@@ -525,6 +535,7 @@ var ApplicationController = new(function(){
         convertationErrorText   : 'Convertation failed.',
         downloadErrorText       : 'Download failed.',
         criticalErrorTitle      : 'Error',
-        notcriticalErrorTitle   : 'Warning'
+        notcriticalErrorTitle   : 'Warning',
+        scriptLoadError: 'The connection is too slow, some of the components could not be loaded. Please reload the page.'
     }
 })();
\ No newline at end of file
diff --git a/apps/documenteditor/main/app/controller/Main.js b/apps/documenteditor/main/app/controller/Main.js
index f5bc4d2a6..ddc7215de 100644
--- a/apps/documenteditor/main/app/controller/Main.js
+++ b/apps/documenteditor/main/app/controller/Main.js
@@ -1288,6 +1288,11 @@ define([
             },
 
             onError: function(id, level, errData) {
+                if (id == Asc.c_oAscError.ID.LoadingScriptError) {
+                    this.showTips([this.scriptLoadError]);
+                    return;
+                }
+
                 this.hidePreloader();
                 this.onLongActionEnd(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
 
@@ -2300,7 +2305,8 @@ define([
             errorDataEncrypted: 'Encrypted changes have been received, they cannot be deciphered.',
             textClose: 'Close',
             textPaidFeature: 'Paid feature',
-            textLicencePaidFeature: 'The feature you are trying to use is available for additional payment.<br>If you need it, please contact Sales Department'
+            textLicencePaidFeature: 'The feature you are trying to use is available for additional payment.<br>If you need it, please contact Sales Department',
+            scriptLoadError: 'The connection is too slow, some of the components could not be loaded. Please reload the page.'
         }
     })(), DE.Controllers.Main || {}))
 });
\ No newline at end of file
diff --git a/apps/documenteditor/mobile/app/controller/Main.js b/apps/documenteditor/mobile/app/controller/Main.js
index b12f014c4..a0a9c853b 100644
--- a/apps/documenteditor/mobile/app/controller/Main.js
+++ b/apps/documenteditor/mobile/app/controller/Main.js
@@ -767,6 +767,14 @@ define([
             },
 
             onError: function(id, level, errData) {
+                if (id == Asc.c_oAscError.ID.LoadingScriptError) {
+                    uiApp.addNotification({
+                        title: this.criticalErrorTitle,
+                        message: this.scriptLoadError
+                    });
+                    return;
+                }
+
                 this.hidePreloader();
                 this.onLongActionEnd(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
 
@@ -1347,7 +1355,8 @@ define([
             warnLicenseExceeded: 'The number of concurrent connections to the document server has been exceeded and the document will be opened for viewing only.<br>Please contact your administrator for more information.',
             warnLicenseUsersExceeded: 'The number of concurrent users has been exceeded and the document will be opened for viewing only.<br>Please contact your administrator for more information.',
             errorDataEncrypted: 'Encrypted changes have been received, they cannot be deciphered.',
-            closeButtonText: 'Close File'
+            closeButtonText: 'Close File',
+            scriptLoadError: 'The connection is too slow, some of the components could not be loaded. Please reload the page.'
         }
     })(), DE.Controllers.Main || {}))
 });
\ No newline at end of file