The introduction of custom classes through mods is a major enhancement to the Minecraft experience. These modifications, crafted by a vibrant and innovative community, go beyond simple gameplay ...

Minecraft is famous for its mods. From the Aether nearly a decade ago to RL Craft in more modern times, mods have kept the player base interested when updates were slow and helped keep the mainstream ...

I was told to report that you are loading Minecraft classes during bootstrapping here, and that it causes bad behaviour with for example SpongeNeo. Furthermore, you most likely have custom packet ...