this error while create a new Purchase Order
and not found in DocType List
![2021-10-11_8-25-41](https://discuss.frappe.io/uploads/default/original/3X/c/e/ce208a59f854ee95567b8e6e362502cc90158436.png)
the system is update to latest version
My trying :
bench update
bench update --reset
bench update --patch
get reset --hard
bench migrate
bench clear-cache
bench clear-website-cache
all this fail to solve the problem
can any one help me why this doctype is missing