To have line numbers available at run-time, you need to have the option checked for Debug info in the Project Information before building the exe.

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>When I build the .exe of my application, I usually do not include the source code. But I have one .PRG that seem to have a problem with a lot of customers. And I can't seem to find which line causes the problem.
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>So, is it possible to include just one .PRG in the .EXE so that the error will show the line number of the error?
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>TIA