Hi there,

the plugin is not working for me at the moment, it seems that there is a JS problem / conflict as the plugin’s JS throws errors.

Chrome developer console logs:
JQMIGRATE: Migrate is installed, version 1.4.1
select2.min.js?ver=4.0.5:1 Uncaught Error: No select2/compat/dropdownCss
at j (select2.min.js?ver=4.0.5:1)
at o (select2.min.js?ver=4.0.5:1)
at select2.min.js?ver=4.0.5:1
at D.apply (select2.min.js?ver=4.0.5:1)
at new e (select2.min.js?ver=4.0.5:1)
at new e (select2.min.js?ver=4.0.5:1)
at HTMLSelectElement.<anonymous> (select2.min.js?ver=4.0.5:1)
at Function.each (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2)
at a.fn.init.each (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2)
at a.fn.init.a.fn.select2 (select2.min.js?ver=4.0.5:1)
j @ select2.min.js?ver=4.0.5:1
o @ select2.min.js?ver=4.0.5:1
(anonymous) @ select2.min.js?ver=4.0.5:1
D.apply @ select2.min.js?ver=4.0.5:1
e @ select2.min.js?ver=4.0.5:1
e @ select2.min.js?ver=4.0.5:1
(anonymous) @ select2.min.js?ver=4.0.5:1
each @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
each @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
a.fn.select2 @ select2.min.js?ver=4.0.5:1
value @ admin-page-columns.js?ver=1589634898:1
e @ admin-page-columns.js?ver=1589634898:1
s @ admin-page-columns.js?ver=1589634898:1
(anonymous) @ admin-page-columns.js?ver=1589634898:1
value @ admin-page-columns.js?ver=1589634898:1
value @ admin-page-columns.js?ver=1589634898:1
(anonymous) @ admin-page-columns.js?ver=1589634898:1
each @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
each @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
value @ admin-page-columns.js?ver=1589634898:1
value @ admin-page-columns.js?ver=1589634898:1
e @ admin-page-columns.js?ver=1589634898:1
(anonymous) @ admin-page-columns.js?ver=1589634898:1
i @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
fireWith @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
ready @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
J @ load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-position,wp-pointer,jquery-ui-slider,&load[chunk_1]=wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-sortable,postbox,underscore,wp-util&ver=065fe4b5e0fbbc3a679c395b2b4dcabb:2
layouts.js?ver=1589634898:1 Uncaught TypeError: Cannot read property ‘columns’ of undefined
at new e (layouts.js?ver=1589634898:1)
at e.value (layouts.js?ver=1589634898:1)
at new e (layouts.js?ver=1589634898:1)
at HTMLDocument.<anonymous> (layouts.js?ver=1589634898:1)
e @ layouts.js?ver=1589634898:1
value @ layouts.js?ver=1589634898:1
e @ layouts.js?ver=1589634898:1
(anonymous) @ layouts.js?ver=1589634898:1

How can I solve this?

Thx a lot, best
Stwphan