Since you need every collectors chest / Butterfly / Banditcamps and Vivarium it's easy to miss one. I myself have been stuck on 139/140 conjurings and found this nice program online.
The program checks your savegame to see what your missing and shows that nicely.
Github:
https://github.com/Malin001/Legilimens-Hogwarts-Legacy-Colle...or on Nexus:
https://www.nexusmods.com/hogwartslegacy/mods/556You can just download the program, drag your savefile on the exe and the program shows you what collectable your missing.
Again this is not made by me