Any advice what to look for to point my tech guys to the right place - cobol program compiled for animation using CBL_DEBUGBREAK - set compiler to option 2 - animation window pops up - step thru a few lines, no problem - then zoom causes error:  Cob version and callstack excerpt below

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cat $COBDIR/etc/cobver

cobol v5.1.00

PRN=R9CAO/AAJ:9r.B1.51.09

PTI=WrapPack 8

PTI=ES

*****

55949     CALL "CBL_DEBUGBREAK".

55950

55951     IF DW-CALL-STAGE = "11"

lPerform/Call Stack - viewqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk

xProgram Name                   Section Name                               x

lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk

x/zkbp/bin/dwisw.gnt             Program is not animatable                   x

x/zkbp/bin/dwen.int             850-CALL-DWISW                             x

x/zkbp/bin/dwen.int             850-DWXXX-PROCESS                          x

x/zkbp/bin/dwen.int             003-STAGE-30                               x

x/zkbp/bin/tstdwen.gnt           Program is not animatable                   x

x                                                                           x

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x Z =Zoom ^ v =scroll Q =Quit D =Detach V =View-threads <qj=View     Escapex

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55964       GO TO 001-STAGE-17.

55965

55966*- - - - - - - - - - - - - - - - - - - - - - - - - - - - -

ZoomqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqLevel=01qSpeed=5qInsqCapsqNumqScroll

Ctrl C to stop

115     Unexpected signal - (Signal 5)