Please deactivate all the third party plugins activate the parent theme then clear cache and check back.
If the problem continues then leave all the third party plugins deactivated and provide the admin panel login details of the website with the permissions to debug then we will troubleshoot with the theme plugins.
Hello Aizaz,
I tried what you said but no result
I disabled third party plugins
debug permissions turned on (Is this what you call debug trail) is this something different