How To Fix WS104 - Active version of calendar & does not currently exist in system

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 104

• Message text: Active version of calendar & does not currently exist in system

What causes this issue?

The system tried to read calendar &V1&. However, this no longer exists
in the system.

System Response

The function (Default value date) cannot be executed.

How to fix this error?

Create the system in the calendar or change the settlement process type
so that a valid calendar is used. If necessary, contact your system
administrator.
Execute the function again.

Error message extract from SAP system. Copyright SAP SE.