Why no system specs?
I'm almost to rendering and do not want to hit this issue right now, please provide some system information
This is a bug in After Effects CC (12.2). My apologies for this. We've already identified the problem code and our developer knows how to fix it.
You can avoid the bug by double-checking the audio sample rate value, and changing it if necessary, as your last action before you click OK in the Output Module Settings dialog.
For more detail please see my response in this other thread:
This problem is addressed by the After Effects CC (12.2.1) bug-fix update, which is now available:
Note the part at the end of that page about a crucial update for the Creative Cloud desktop application, which addresses some severe problems with AME, Premiere Pro, and After Effects.