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Development FAQ

World Connection Failure 4216 What is error code?

1min

The 4216 error that occurs during World play occurs when there is an error in the server code you created.

  • Please try to find the error in your onCreate / onJoin / onLeave or Message Event and fix it.
  • It is recommended to use Nullable or try-catch syntax to resolve issues with code stability and exception handling.

Please check the caveats for writing server code.

📘 Please refer to the following guide. [Precautions when using server code]



Updated 10 Oct 2024
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