#93 1.21.3 PlayerInteractEvent Error

Minecraft: 1.21.3 API: PurPur 1.21.3-2337 Premium SafariNet 1.16.9-SNAPSHOT I'm experiencing an error at most (if not all) player interact events, with SafariNet. Placing signs, and unrelated interactions result in this error: https://pastebin.com/nGRbAgyx Thanks!