Classiera Theme Can't upload image in Post ad page

In Classiera Ad posting page we can’t upload or drag and drop images. Actually its not clickable. Please help me

Hi,

Please contact your purchased theme author, theme author will assist you.

How to contact an author to get support or for any technical query:

Thanks

Download this plugin using the link below and downgrade your WordPress version to 5.5.3 and it will solve your problem instantly.
https://downloads.wordpress.org/plugin/wp-downgrade.zip