The error seems related to p455w0rdslib / core remove that and any dependents then restart the server and see if the error persists.
Posts by Julian
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1.Aternos will never let you pay for anything
2.only if you add them to curseforge and request them.
I would suggest hosting yourself if you want to test your mods so you dont need to publish them or wait a few hours or even days.
Hosting really isnt that hard and if your testing your mods you will always be online to run your server.
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then click on stop or write stop in the console.
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Does it say online on the server page?
If not what does it say?
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to give them permissions for that command you need a permission manager(like luckperms or PermissionsEx) or give them op
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Thien is right.
The seed is used to generate the world.
Changing it would result into weird chunk generation and there would be no reson to change it.
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They wont add it.
Why? Read this.
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enable npcs in the options and restart the server
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2GB RAM is too little for most modpacks

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did you bind the hotkey?
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That mod was removed from aternos for reasons which I forgot.
Cant find the MOD on curseforge only the pack which aternos has (from the ATL)
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that would require access to not just your own server files but aternos plugin server/database.
Thats not hoing to happen.
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Thats a modpack and we have it here. Its the ATLauncher Version but that shouldnt make a diffrence.
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Only pocketmine
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you cant convert it create a new one