MPT Error: Incomplete payroll result(s) prior to Mid-period Transfer

What causes this issue?

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

System Response

How to fix this error?

You must run payroll for all periods prior to Mid Period Transfer (MPT)
date. You must run the payroll with actual payroll area for periods
prior to MPT, and not with the new payroll area assigned after MPT.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.