He doesn't have the exact same mods installed on his computer as on the server.
Posts by Roman
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You probably don't have the exact same mods installed on your computer as on the server.
Note that also the versions of the mods must match as well as the Forge version.
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Since you already tracked it down to be related to Lunar. Check your logs and report it to the Lunar developers.
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Your server is running out of ram. Remove some mods
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What is the address of the server in question?
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Looks lika mca is installed on the server but missing on the client: https://mclo.gs/cCEsMTr#L289
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If it's a client-side mod you probably you need to edit its configuration file on your computer.
Configuration files of mods are usually located in .minecraft/config/
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Your screenshot doesn't look like the original server list in Minecraft?
Do you use any special tool / launcher to join the server / start Minecraft?
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Might be related to the ironchest mod. Remove it aswell.
Create a backup beforehand
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Switching from Vanilla to a bukkit-based software (Spigot, Paper etc.) won't do anything to your world if you stay on the same version.
Just create a backup beforehand so you're safe if anything goes wrong.
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Do you play on a modded server?
Share the server log as well as the client log.
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Please check if the issue persists.
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Switching from Vanilla to a bukkit-based software (Spigot, Paper etc.) won't do anything to your world if you stay on the same version.
Just create a backup beforehand so you're safe if anything goes wrong.
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I've seen several similar cases within the last days where just adding client-side mods result in error messages like this.
Maybe that's a Forge bug or so.
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