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I have a Fabric server that keeps stopping and then crashing every time i try to start it. 
I have downloaded fabric API(im pretty sure its the correct version) and the first origins mod you see when you type up 'origins' on the mods for aternos.
The log is below:
Remove the mods one by one from your server.
Every time you remove a mod from your server, you need to restart it, then check if the problem still occurs.
If the problem doesn't occur anymore, know that it was probably due to the mod you last removed.
Always be sure to have a backup of your server before changing anything. This video might help you:
