Hi @vxlsujan,
I suggest downgrading the PHP version to PHP 7.4 since we are currently using an older PHP version.
Please make sure that your theme or plugin does not conflict with the WP Project Manager. You can perform a conflict test on your site to help resolve the issue.
If your problem has been resolved, we kindly request that you consider updating the review to reflect your most recent impressions. Your updated review will not only help us improve but will also assist other customers in making informed decisions about our products/services. If you are open to updating or revising your review, you can make changes to it, and we will be more than happy to assist you.
If you are still having the problem, then kindly contact through the website for further assistance.
Regards!