ProtocolLib: Failed to find NMS class: WorldType | HelpChat | Page 1

steep yarrow Apr 19, 2025, 3:12 PM

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I keep getting errors the NMS class: WorldType error when enabling the plugin, and then it self dissables.

server version: 1.21.1 Paper

Protocol Lib: 5.4.0-SNAPSHOT-742 (as server plugin, dependancy from systempath)

Error message: [10:53:04] [Server thread/ERROR]: [ModernPluginLoadingStrategy] Could not load plugin 'ExploitMonitor-1.0.jar' in folder 'plugins' java.lang.NoClassDefFoundError: com/comphenix/protocol/events/PacketListener

Plugin: Paper, 1.21.1, Maven

Source Code:
https://github.com/uncvr1337/ExploitMonitor

GitHub

GitHub - uncvr1337/ExploitMonitor

Contribute to uncvr1337/ExploitMonitor development by creating an account on GitHub.

hardy yacht Apr 19, 2025, 5:00 PM

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steep yarrow I keep getting errors the `NMS class: WorldType` error when enabling the plugin,...

From what I can see, You are supposed to use ProtocolLib 5.3.0 for server version 1.21.1

steep yarrow Apr 19, 2025, 5:07 PM

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hardy yacht From what I can see, You are supposed to use ProtocolLib 5.3.0 for server versio...

ProtocolLib decides to do a little bit of trolling.

New error
java.lang.RuntimeException: Failed to find NMS class: WorldType
(ProtocolLib 5.3.0 both depend. and plugin)

#ProtocolLib: Failed to find NMS class: WorldType