April 9, 20232 yr Don't post text as images. The error says one of your mods has broken network code. This is commonly a badly written recipe serializer. If you add -Dforge.logging.mojang.level=debug to the java arguments (same place you change the memory allocated in whatever launcher you are using) on the client the logs/debug.log might show which mod is causing the problem. But usually, the information about which mod is causing a networking errors does not get logged. So the only way to find the problem mod is to experiment with removing mods until the problem goes away. Backup your world(s) before removing mods. Boilerplate: 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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