ABAP debugging, catch exception

Hello, experts!
Is there any way for catching exception from "insert <tabname> from table itab" during debugging, if there's no any exception handling in code? I want to know what is the error text to analyze it in more detail. I can't modify a program, because it has been generated automatically (it is a data loading program for BW extractor), so I need any case to insert error handling or get the error message while debug before program exit.
Any suggestions would be appreciated.
Thanks,
Andrew.

hi andrew,
There is a catchable exception which you can try
TRY.
insert <tabname> from table itab
CATCH CX_SY_ITAB_DUPLICATE_KEY.
ENDTRY.
There are also non-catchable exceptions which you can refer at
ABAP Keyword Documentation

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Hi,
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Hi,
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Kothandaraman N.

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ABAP debugging, catch exception

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