Your server is crashing at startup, send your logs so I know why.

How to get logs:
File Manager
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Yes, the settings for these kinds of things are in the paper-world-defaults.yml in the config folder inside the File Manager.

whenever im trying to open the server in the minehut lobby and it comes back with an error "io.netty.channel.AbstractChannel AnnotatedConnectException: finishConnect() failed: Connection refused: /***:25575" and sometimes eventually it starts working, does anyone know a wraparound it, im on 1.20.4

so im on paper and i make a sand duper including the end portal but with with the machine and chunk loader activated it wont work ,i was wondering if there is a game file i could change that would help that, i already have piston duplication and permanent block breaking set to true.

I've checked and done both multiple times but I cant get it to work. I've spent a couple of hours just playing around with the settings and the files but it just wont work for me.