2072279 - Exception Thrown from st_database.cxx:1098 - SAP IQ

The iqunload utility with -au (schema load) option aborted by the following message in IQ log:

Exception Thrown from st_database.cxx:1098, Err# 0, tid 245 origtid 245
O/S Err#: 0, ErrID: 5122 (st_sacbexception); SQLCode: 0, SQLState: '00000', Severity: 0
**************************************************
*** Sybase IQ Abort:
*** From: st_threadInterfacen.cxx:190
*** PID: 9502750
*** Message: Unexpected throw from IQ command
*** Thread: 69392 (TID: 245)
**************************************************
** Error from IQ connection: SA connHandle: 1 SA connID: 2 IQ connID: 0000000002 User: DBA
** Time of error: 2011-12-13 14:51:16
** IQ Version: Sybase IQ/12.7.0/110917/P/ESD LATEST
** OS info: IQ built on: RS6000MP/AIX 5.3.0, Executed on: AIX/bradx025/1/6/00C6FA454C00
** Command status when error occured: NO COMMAND OR CURSOR ACTIVE
** Parser command text: call sa_unload_build_definitions( '/home/sybase/siqdes03/log/' )
I... Dump all thread stacks at st_threadInterfacen.cxx:190 for PID: 9502750

SAP IQ all versions.

sa_unload_build_definitions, ErrID: 5122, st_sacbexception, st_database.cxx:1098, st_threadInterfacen.cxx:190 , KBA , BC-SYB-IQ , Sybase IQ , Problem