Value cannot be changed for Variant Based On

[Anna]

It seems it was a bug. Now it fixed

Error Saving Items

On ver 11, Master, Once an item has been created and transactions made on the Item, and if you try to change things like Valuation Rates or try to add a new Unit of Measure, you get the following error. Items have no variants. However Items for which Stock Transactions have not been done don’t have this problem. Am I missing something? Or is this a bug? Traceback (most recent call last): File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/save.py”, line 22, in savedocs doc.save() F…