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Server problem


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I have Error code:

Internal Exception: io.netty.handler.codec.decoderException: java.lang.NullPointerException: Cannot invoke "net.minecraft.network.connectionProtocol$PacketSet.m_178327_(int,net.minecraft.network.FriendlyByteBuf)"

because the return value of "java.util.Map.get(Object)" is null

can someone help please.

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You must include the log files in your post, otherwise we cannot help you.

Use a service like Pastebin.com or GitHub Gist.

Do not use a file sharing service like Mediafire, Google Drive, Dropbox, etc. and do not attach the file to your forum post.



If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com  You should also read the support forum sticky post.

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