Error when join sever

[Window Title]
pΛ Fatal Error

[Main Instruction]
pΛ has stopped working

An error caused pΛ to stop working. A crash report has been uploaded to the pΛ developers. If you require immediate support, please visit something and mention the details below.

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[Expanded Information]
Crash ID: eff0dfc8-2ee4-4aef-83d9-15035e258197 (use Ctrl+C to copy)

How do i fix this to

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