Issues in updating or viewing Supplier Contact with custom role

Summary:

We need to have restricted access on Supplier Master as below using a custom role-

Supplier Profile: View Only Access —> Achieved

Supplier Address: View Only Access —> Achieved

Supplier Sites: Full Access —> Achieved

Supplier Contacts: Full Access —> Facing Issue

I have provided below privileges to custom role-

Maintain Supplier

View Supplier Address

View Supplier

Maintain Supplier Sites

Maintain Supplier Contacts

Maintain Supplier Contacts User Account

Maintain Supplier Contacts Change Request

View Supplier Contacts

View Supplier Contacts User Account

View Supplier Contacts Change Request

However, while editing Supplier Contact I am getting below error:

Attribute RequestStatus in SupplierContactChangeRequestEO is required.
Attribute RequestType in SupplierContactChangeRequestEO is required.