Select option for mapping value or context field value is not allowed.

What causes this issue?

The select option you chose for either the mapping value or the value of
a context field is <ZH>not</> allowed.

System Response

To display key mapping statuses is <ZH>not</> possible.

How to fix this error?

Please choose single values or a wildcard as select option for the
mapping values or the context field values only.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.