Same over here. It is impossible to create/save/edit the Joomla menu for EasyDiscuss Default Frontpage from the backend! It does not save!
I tried to delete the menu... and create a new EasyDiscuss Default Frontpage menu...
jquery.min.js:2 Uncaught Error: Syntax error, unrecognized expression: #jform[params][category_id][]-lbl
at Function.fa.error (jquery.min.js:2)
at fa.tokenize (jquery.min.js:2)
at Function.fa (jquery.min.js:2)
at Function.a.find (jquery-migrate.min.js:2)
at a.fn.init.find (jquery.min.js:2)
at a.fn.init.a.fn.find (jquery-migrate.min.js:2)
at e (validate.js:1)
at f (validate.js:1)
at g (validate.js:1)
at Object.h [as isValid] (validate.js:1)