Normally on the Pitches tab, it shows the Pitch Everything tab, but that's disappeared. All the tabs except Pitch ID were disappeared too, but I manually added them to view.
I've attached a screenshot.
Sorry you're stuck but there's almost always a pretty easy fix! Do NOT try to start all over again, uninstall Max's Pitch Package, etc. That can make it worse. There's a 95% chance the same snag/fix is listed & answered in the Help FAQ. But if you can't find it there, post your problem here.
Make sure you post in the right category below & be sure to include a screencap showing the issue!