SpongeForge 1.16.5-36.2.5-8.2.0 crashes on startup: java.lang.NoClassDefFoundError

SpongeForge crashes when added into a custom-made modpack based on Create: Above and Beyond.
Forge version: 36.2.41 (other versions tested, including 36.2.5)
Sponge version: 1.16.5-36.2.5-8.2.0
Here’s the github gist including latest.log and debug.log: SpongeForge 1.16.5 server error (github.com)
Please inform me if any extra information is needed.