TypeError: super(type, obj): obj must be an instance or subtype of type

ERPNext Support
1

Hi,

Reflecting the below error while creating or amending a quotation after version updated to 13.20.1
“TypeError: super(type, obj): obj must be an instance or subtype of type”

Request team to provide the solution for above error.

Module

selling

Version

13.20.1

Installation method

FrappeCloud

Thanks & Regards

2

Dear Community,

Request your assistance on above error.

Thanks & Regards