When generating or loading a world while using SpongeForge, OTG v21 DEV1, Biome Bundle, and OTG Skylands, the game will crash with a null pointer exception, World Properties has a null UUID.

If only using Biome Bundle, everything works as expected, however when the dimensions feature is utilized by adding another pack, the game will crash.

Also getting this bug

Me too

Sorry but we don't provide support for SpongeForge atm. OTG supports Forge and Bukkit/Spigot though, so if SpongeForge doesn't work with OTG then it's apparently doing something different, which may either be a bug or intended behaviour. I'm curious to know what SpongeForge is doing differently but I don't have the time to investigate it myself atm. You could try asking the SpongeForge devs / creating an issue with them, they may be able to either fix it on their end or explain the problem well enough that I can fix it in OTG.

Needs to be tested with v8.3_r4 or higher. v8 added some fixes that also affect SpongeForge, there may still be issues, need updated info.

Spongeforge may work for v8 and up, need confirmation with 8.3 or higher.

Closing due to inactivity.