Procedurs is failed whith error
17:54:37 Exception Caught. Type: MT_EX_OS, Context: mem
17:54:37 (-9791): ERROR: Routine execution trap -- procname=<troublelistall> procid=4190
reason: mem
17:56:38 Assert Failed: Exception Caught. Type: MT_EX_OS, Context: mem
17:56:38 Informix Dynamic Server Version 9.30.FC1
17:56:38 Who: Session(5930, nat@vat, 23269, 796581672)
Thread(5746, sqlexec, c00000002f782f88, 3)
File: mtex.c Line: 368
17:56:38 Action: Please notify Informix Technical Support.
17:56:38 stack trace for pid 19634 written to /tmp/af.1a5a8315
17:56:38 See Also: /tmp/af.1a5a8315

When this procedur execute 1 or 10 users it's worked, but if it's execute 200 users in one time it,s filed with this error.