No active Customizing entry for frequency mapping category &1

What causes this issue?

There is no active Customizing entry for the frequency mapping category.

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?

Check the entries for frequency mapping categories in Customizing for
<LS>Public Sector Management</> under <LS>Social Services -> Basic
Settings -> Periods and Due Date Rule Settings -> Period and Due Date
Rule Setting Enhancement -> <DS:SIMG.V_PSSC_FRQ_MCAT>Maintain Frequency
Mapping Categories</></>. Ensure that the description has been
maintained in your system language for the relevant frequency mapping
category.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.