I am using modern event calendar plugin on my WordPress site, locally its working but when I migrate it to another server it showed me the below error in console

Uncaught TypeError: jQuery(…).sortable is not a function
at mec_reg_fields_option_listeners (backend.js?ver=6fd84de…:142)

Read more here: WordPress Modern Event Calendar issue on production server


If you know the solution of this issue, please leave us a reply in Comment section, to update the question.

Wordpress related questions and answers: