Please choose a valid mapping entity name or context field.

What causes this issue?

You are attempting to display a history of key mapping statuses for key
mapping entities or context fields that are <ZH>not</> allowed. The
context fields depend on the respective mapping entity. For example, for
the cost center as mapping entity, the respective context field is the
controlling area. For the G/L account as mapping entity, the context
fields are the chart of accounts and the company code.

System Response

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

How to fix this error?

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

Procedure for System Administrators

Please check in the <LS>Define Mapping Entity</> Customizing activity,
whether the mapping entity or context field exist and an <LS>Object ID
</> is entered.

Error message extract from SAP system. Copyright SAP SE.