Different period does not exist (see long text)

What causes this issue?

You have tried to delete a different period that does not exist. This
different period refers to the inbound correspondence category &V1& and
periode &V2& with lower level &V3&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.