Don't know what I am doing wrong, can you help me?

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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Well it looks like you have been deviating from the instructions quite a bit. Computers are super-picky so you need to be doing each and every instruction exactly as stated in the lab, and you have to do them in the order given. At this point, given all the mistakes so far, it might just be easier to redo them but you would first need to delete a bunch of the incorrect settings you've made. Then you'll need to restart 2a and make sure you do each and every step in the order given, ok?
I can help you delete your current messed-up stuff if you do these 3 steps so I can access your account. Let me know when you've done them, ok?
Log in and click on the round character icon (upper right corner) and click Settings
On the left, under My Personal Information, click Grant Account Login Access below that
• 3. On the row for The Max Labs Project Support, use the --No Access-- pull-down menu to select 1 month and click Save