in reply to Difference between old and new

The only thing we can do to help is help you reduce your code so you can show it to us.

Somehow the code in DMDCombo2 returns undef. We cannot know why unless you reduce it to something you can show us.

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Re^2: Difference between old and new
by zatlas1 (Acolyte) on Nov 13, 2023 at 19:35 UTC
    This was a great help. I've found the issue!
    It is a complex proprietary module, and yes, it does return explicit undef under some circumstances
    Thank you
    ZA