Country grouping &1 does not exist

What causes this issue?

The country grouping you have entered, &1, does not exist in the <ZH>HR
Country Groupings</> table (T500L).

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?

Enter a valid country grouping (use F4 Help).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.