Hi,
I get "Request failed with status code 500" when click Page Layout during edit page.
Please help to check what's wrong.

and when i click on add "Section Library", this error appear:

Hi,
I get "Request failed with status code 500" when click Page Layout during edit page.
Please help to check what's wrong.

and when i click on add "Section Library", this error appear:

Hi there,
Thank you for reaching out, and I apologize for any inconvenience caused by this oversight. I have checked your site on my localhost and it works fine without any problem. Please contact your hosting provider about the 500 error.
I appreciate your cooperation and will ensure to get back to you as soon as possible.
Best regards,
Toufiqur Rahman (Team Lead, Support)