isn't "Method called on error" executed in the same process as the invoking 
method?

normally the code would only be interested in basic information such as OK,
which changes the course of action (ignore, abort, retry).

even if more details were available,
there is normally not much one can do on the spot.

"Method called on error" can log (table or document) the date, time, user, 
machine,
error stack, error method, error formula, error line for later analysis.

2018/05/10 6:26、Chip Scheide via 4D_Tech 
<4d_tech@lists.4d.com<mailto:4d_tech@lists.4d.com>> のメール:
the only way to get information BACK, such as what error occurred, from
the On err call method(s) is via IP var(s).



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