Payroll Simulation: No variants found for payroll program

What causes this issue?

The variant of the payroll program that should be used for the payroll
simulation could not be determined.

System Response

The payroll simulation cannot be executed.

How to fix this error?

INCLUDE PAOC_FPM_NA_SYSADM OBJECT DOKU ID TX

Procedure for System Administrators

You define which variant of the payroll program for the payroll
simulation should be used in the IMG activity <LS>Determine the Variant
of the Payroll Program for Simulation</> in the Customizing of
<ZK>Position Budgeting and Control</>.

Error message extract from SAP system. Copyright SAP SE.