Multiplexer 4x4 (Problem 454) Error message

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Dan Nagle     2026-01-07 17:38:19

When I run the Verilog code the answer input is blank which I assumed meant there were no errors.

However when I submit the code the following error message appears:

"Non-zero exit code! either you've broken something, or tell admin!"

Hopefully I haven't broken something.

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