Shae,
Go to "other problems" on the forum, under "AC lib update, some cw disappeared" and download Jefferson's previous library. My library parts got messed up too. I'm back with the old library now, and back to normal (if there is such a thing).
Steve
AC19(9001), 27" iMac i7, 12 gb ram, ATI Radeon HD 4850 512mb, OS 10.12.6