If Udon program run into Branch node and goes out to the false path, it causes VM error like:
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[UdonBehaviour] VRC.Udon.VM.UdonVMException: The VM encountered an error!
Exception Message:
Unaligned jump address '0x00000029'. Addresses must be aligned to 4-byte boundaries.
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(of course '0x00000029' varies depending on the program)
Environment: UDONSDK-2020.02.23.14.05, VRCSDK3-2020.02.23.13.54
Simplest example: