If you go to ibm.com and search for document 475468307 you'll get the
trace instructions for Management Central. But methinks you've done that.
...
Dug through some old mails and found there may be more than one trace...
CALL QYPSCONFIG PARM('QYPSJ_TRACE' '2')
CALL QYPSCONFIG PARM('QYPS_TRACE' '0')
DSPJOB QYPSJSVR & note the job number
Recreate the error
Turn off the trace :
CALL QYPSCONFIG PARM('QYPSJ_TRACE' '-1')
CALL QYPSCONFIG PARM('QYPS_TRACE' '-1')
Rob Berendt