cannot preview page template

Hi there,

Thanks for contacting us. Sorry for the inconvenience. Will you please follow the instruction to find out the solution.

1. Enable the Error Reporting https://prnt.sc/wbqvjk
2. Disable the SEF https://prnt.sc/wbqvuw
3. Disable the JCE editor https://prnt.sc/wbqwai
4. Then try to check the front end editing.

Note: Before apply this process, Please keep a backup of your site. If you cannot find out the solution. Please make an akeeba backup & share with me the zip file. I will check from my end & let you know the solution after investigation my end.

https://drive.google.com/file/d/1HwEmKAzw-uVWQHdASGHU31nJaJKBSR56/view

-Thanks