Wplms Setting not saves

Hi

I’m using wplms theme Version: 3.9.8.1 with wordpress Version 5.4.1 when I saved the wplms setting it will redirect me from this
https://myexcelclass.com/wp-admin/admin.php?page=wplms_options

to this https://myexcelclass.com/wp-admin/options.php

I’m using demo 16

Please try to fix this issue ASAP
If you need any details from me please let me know

Thanks & Regards

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

the problem is with theme I’m using wplms theme and it’s default plugin there is no third party plugin in my site. when i try to update the wplms settings it’s redirect me to a blank page and setting will not update even I can’t changed the site logo.

I have given you the link how to contact your purchased theme author. please contct theme author and let them know.