-24989: ERR_NOHISTORYSESSION - no backup history session available Locate the document in its SAP Library structure

Explanation:

You can only execute a DBM server statement when the backup history is open.

User Action:

First, open the backup history using this statement backup_history_open. Watch for any errors that might occur.

If the error occurs in the Database Manager GUI and there is no way in which you can correct it, contact your Structure linklocal support organization.