SAP Message Q6003 - Delete the structure table(s) first

Diagnosis
You want to activate archive information structure &V1&. The system hasestablished that a database table has already been generated for thisarchive information structure. However, the database table no longercorresponds with the structure's field information.
You have probably changed the field information belonging to archiveinformation structure &V1&.

Procedure
If you make a change to the archive information structure you mustdelete the database table. Use the function Tools -> Deletetable in the Archive Information System Customizing to do this.
If the changes to the archive information structure fields were notintentional, you must first reverse these before you can reactivate thearchive information structure.