1.13+ is still pretty new and has a completely new world format to enable the new water changes. Unfortunately, this new world format isn't really optimized yet and causes lots of performance problems. We've already increased the resources (RAM + CPU) for 1.13 servers, but there are still performance problems that cannot be solved with more resources. We highly recommend keeping playing on 1.12.2 until a better version gets released with performance fixes. However, switching back from 1.13 to 1.12.2 may cause problems, you might have to generate a new world. Please make sure that you have backups of your world if you switch back.
Posts by thienbao860
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Go https://aternos.org/log, press Share and give me link
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Are you talking about a mod?
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Which software are you using
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Go https://aternos.org/log, press the Share button and give the link here
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You mean plugin or mod configuration?
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Go https://aternos.org/log, press Share and give me link for full log
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Try switch your client version into normal 1.12.2 instead of a client mod you are using (or a hack version, idk)
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When you restart your server :p
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Install the mod micdoodlecore to work
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Is that a mod?
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Roman help meh xD
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I have said "vanilla", with commands
That's what the link has

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I have been researching and i found this: https://www.planetminecraft.co…ame-in-vanilla-minecraft/
Just look at it
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Try download your current world at https://aternos.org/worlds, delete .playerdata file and upload it back
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What is "server admin"

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Go https://aternos.org/log, press Share and give the link here
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Remember: 1.13+ is still pretty new and has a completely new world format to enable the new water changes. Unfortunately, this new world format isn't really optimized yet and causes lots of performance problems. We've already increased the resources (RAM + CPU) for 1.13 servers, but there are still performance problems that cannot be solved with more resources. We highly recommend keeping playing on 1.12.2 until a better version gets released with performance fixes. However, switching back from 1.13 to 1.12.2 may cause problems, you might have to generate a new world. Please make sure that you have backups of your world if you switch back.