I keep getting error like this on page:
array_filter() expects 2 parameter to be a valid callback, class stdClass does not have a method is_role
Between the plugins and theme I used, only user role editor is using is_role. Could you give me some direction on why this happened? I did not try to add any new role, however, I rename the role name using a function method (for example: Administrator -> Owner).
Any idea where this error comes from and how to fix it?