>One of my EXE is calling some sub EXEs. However, in those sub EXEs, some calls are made to the main EXE where the main functions are stored.
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>How can we avoid those unknown references when compiling the sub EXEs? We are getting "Unknown MYPROC - Undefined". This is requiring us to press Ignore when compiling.

Add EXTERNAL PROCEDURE (or CLASS, or FORM, or whatever.)