Apotheosis-1.20.1-7.3.1.jar
Maybe it's related to this mod:

• ancient_manuscripts-1.1.4-1.20.1.jar
• ancient_aether-0.8.8.jar

https://gist.github.com/Krimatoria/1a29ca102322372839685d01cdb0d993 - Log

Ancient items are not implemented, generating them is unsupported.