IDC11778I CA RECLAIM IN PROGRESS.

Explanation
Some situations, such as an ABEND, a CANCEL, or
a system failure, can interrupt a control area (CA) reclaim for an
ERASE request. This message issued by EXAMINE INDEXTEST and DATATEST
does not indicate a data integrity problem.
This is a temporary
condition. Other messages generated along with this one might just
indicate        interrupted CA reclaim states with no data integrity
problems either.
This message is generated when the interruption
occurred at a different point of the CA reclaim        processing
than message IDC11768I [CI SPLIT | CA RECLAIM] IN PROGRESS. The two
messages are mutually  exclusive.

System action
The condition is temporary. Index CI 2 is dumped.
 Processing continues.

Programmer response
This message indicates that an index CI
is in the middle of a CA reclaim. The condition is temporary. If other
messages generate condition code 8 results, issue IDCAMS VERIFY RECOVER
to complete or back out the CA reclaim process. Then issue EXAMINE
again to detect any remaining errors. If IDCAMS VERIFY RECOVER is
not issued, subsequent VSAM or VSAM RLS requests might complete the
CA reclaim process even if SETSMS CA_RECLAIM(NONE) is issued.

Source
DFSMSdfp

Module
IDCXM02, IDCXM03, IDCXM04, IDCXM05