Chen Hai Jing ([log in to unmask]) wrote: : :RUN SPN010E.NEWPROG : **** INTERNAL TRAP : Data PAGE Fault : [VSM] Invalid Pointer Error : ABORT: SPN010E.NEWPROG.SPN : NM PROG 129c.0000812c szspn01+$4fc Fire up the debugger and see if you can find any STMT entries need that address. Or compile with $CONTROL BOUNDS and see if it detects any errors.