Brief
We have updated the file 'admin_custom_menus.php' for version 3.6.
Description
When adding a second custom menu and clicking on the 'Edit menu' link the link lead to editing menu items instead of editing a menu.
Solution
We would recommend you to download an updated version of the file from here:
http://www.viart.com/downloads/admin_custom_menus_3.6.zip
Further, extract the above mentioned file into the 'admin' folder of your shop. Do not forget to make a backup copy of the current file in case something goes wrong.