Background documentation -24926: ERR_MEDIUMCHK: medium cannot be used with this external backup tool Locate the document in its SAP Library structure

Explanation:

The specified medium cannot be used with the backup tool defined by the name of the medium.

User Action:

Attempt to fix the problem with the help of the detailed error description, by changing the medium appropriately. If you cannot solve the problem, contact your Structure linklocal support organization.