DSNA002E DSNACA00 TCB=address SYSTEM ERROR - FOUND UNEXPECTED THREAD

Explanation
 The Db2 call
attachment facility control block, the CAB, indicated that a thread
was present when none should have been present. This is a CAF system
error.

System action
 This message immediately precedes an 04E abend,
with reason code 00C10002.

System programmer response
 Collect a SYSUDUMP and DSNTRACE trace
stream.

Programmer response
 Refer the problem to your system programmer.

Problem determination
 Contact IBM® Support.