V12, Module pages missing

Hi,

I upgraded from v11 to v12,

I cannot see ERPNext module pages, also not able to open via searchbar.

Version:
ERPNext: v12.6.0 (version-12)
Frappe Framework: v12.x.x-develop () (develop)

After switching to master,
No pages are open like desk, modules pages, except forms,

now version is

ERPNext: v12.6.0 (version-12)

Frappe Framework: v12.4.1 (version-12)