I can't open Vanilla Celeste in Olympus anymore

[hardy wing]

I click the Celeste button on Olympus. It reaches that page on don't quit while the save thing is up, and suddenly BAM it opens this log in my notes.

I tried it twice

I'll test it with Everest Celeste now

Everest Celeste works

[sharp coral]

verify game files, install the FNA build of celeste, delete the orig folder in your game files and then reinstall everest

[tranquil salmon]

To switch to the version of Celeste using the FNA framework, go to your Steam properties for Celeste and switch to the opengl beta.
If you have Everest, you will need to reinstall it after doing this.

[sharp coral]

everest converts your celeste to fna, but vanilla is still xna