ok so Glidedgames updated The Aether . https://www.curseforge.com/minecraft/mc-mods/the-aether/files/3037225
they moved the package from com/legacy/aether to com/glidedgames/the_aether/. your mod crash because of the package change. they also added skyroot bed which makes the ones in your mod redudent(ik you're already aware of it).