[1.7.10]: Unable to connect

[zeff9801]

Modpack

No response

Help isloating the issue

• Did you tried to disabling some mixins in the mod config to see what mixin made the issue?
• Did you find what mixin made the issue?

Game log

[Server thread/INFO] [net.minecraft.server.network.NetHandlerLoginServer]: /{ip} lost connection: Internal Exception: io.netty.handler.codec.DecoderException: java.lang.NoClassDefFoundError: Could not initialize class com.comphenix.protocol.events.PacketContainer

Description

Whenever i try to connect to my server i get this error, this started happening i believe between 1.7.5 and 1.9.2, if required i can do some additional testing to find out when it was introduced

[quentin452]

Can you give a large issue report ?, like the whole log

[zeff9801]

It appears to be related to datawatcher mixin
https://drive.google.com/file/d/1Mb1tOauO_6V_e5O_LkoFIPRwAs12Tz07/view?usp=sharing

[quentin452]

can't fix it , the Shadow is located in the target class of the datawatcher , so its probably a mod compat