"Set featured image" is Not working

Hello,

In the classified plugin, "Set featured image" is not working for the administrator. It is working for the other users (parents). However, when we start uploading, then it does not continue in the middle of uploading and again we can not upload any pictures. Please kindly help to solve this issue ASPS.

* Mr.Vinod Dalvi has an access to our web site.

Here is the link of our classified page: http://parentopia.org/members/admin/classifieds/create-new/?

Thanks.