>When I went to VFP6, my error routine stopped logging the line number and started logging line 0 for all errors. It worked fine in VFP3. I've discovered that if I include debug info into the exe it works again.(under project info) However, this adds about 50% more size to my exe file (6 to 9 megs). Are these two things really related? is there another way to get lineno() to work in the compiled exe? Thanks for your help.
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>Marcus.

The only way to make it work is to include Debug Info as you have done.