You should ask author of multilanguage plugin.
Also you can have cache issue. Deactivate temporarily multilanguage and cache and check
Hi,
I have selected one menu and set it as Main menu but in Manage location option it is always selected to Live menu.Why it is not saving.
Thanks,
Dwaipayan
Additional Info
Link on page with issue (Optional): https://dev3.zotezo.com/wp-admin/nav-menus.php?action=edit&menu=33
You should ask author of multilanguage plugin.
Also you can have cache issue. Deactivate temporarily multilanguage and cache and check