Retention period could not be determined

What causes this issue?

There is probably no minimum retention period specified in any of the
applicable rules.

System Response

The data object is not archived.

How to fix this error?

Check the rule settings in IRM (Information Retention Manager).

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.