A JNI error has been causing some Minecraft users from entering the game. Here's how you can fix this issue.

NVIDIA OpenGL Driver Error Code 6 can be caused due to insufficient GPU memory, incompatible hardware or corrupted NVIDIA drivers. Do this to fix the issue.

You and your friends need to adjust the multiplayer settings to fix “unable to connect to world error” in Minecraft. You can do this by heading to the Xbox website.