SAP Message RSD_TREX522 - Find indexes with status "Unknown" ('&1')

Description
This test checks if there are indexes of BIA indexes with status"Unknown" (= U) in the system. This status can only occur in rareexceptions, if the COMMIT call (CommitOptimize) is terminated duringindexing.
In this case it is not clear whether or not the data of the previousindexing call is available.

Repair
These indexes are rebuilt in repair mode.