Page not found in custom erpnext

i have existing doctype for example taem. its available in doctype list. when i try open the list its shows page not founf and return to home page.since i have permission to access the doctype.
this problem occure in custom ,made doctype and existing doctype too?

Hi @ibrahim1,

Could you fix this issue? If so, how did you do?

I’m facing the same issue.