Sorry you're stuck but there's almost always a pretty easy fix! Do NOT try to start all over again, eg. uninstall Max's Pitch Package, etc. That can make things worse.
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I completed steps 1-52 yesterday on Sim 2A and then continued from 52 today, but somehow I switched up the instruction manuals and all the work that I did today 52-90 was from sim 1B. This was a stupid mistake on my part but I am now in a predicament where I don't know how to undo , or what to do about the work I just completed. If I can just get lab 2a reset so i can restart from the beginning of 2a that would be great. Thanks
Well there's no way to reset to the start of 2a but you shouldn't need to. You should be able to just pick up where you left off. If you were redoing stuff from 1b, that shouldn't hurt anything. Can you just start up with Step 53 of Lab 2a?