SAP Message BA243 - Archiving class &1 does not exist

Diagnosis
The current archive file contains data for archiving class &V1&. Thisarchiving class does not exist.

System Response
The data in archiving class &V1& cannot be processed and the systemstops reading current archive file.

Procedure
If this archiving class or the archiving object to which it is assignedis provided by SAP, contact SAP with this information. If this is acustomer archiving class, create the archiving class again in thecurrent system.