Error when trying to open a news item in the admin section

[ton-helmerhorst]

Dear All,

When trying to modify or open a news item in the admin section (version 4.1.2), the follwing error occurs:

Error: Undefined property: Symfony\Component\HttpFoundation\Request::$grequest at line 94 at NewsController.php

[ton-helmerhorst]

After modifying the custom file, I get the following error message when I try to edit the news item:

Method Not Allowed