Alright, @Ezlo, it looks like your server isn’t starting because the port it needs (25565) is already in use. This kind of conflict can happen if another server is running on the same port. Here’s a quick check: try using the ampinstmgr ShowAllInstancePorts to confirm which ports are in use by all AMP instances【9:0†ampinstmgr command line reference.txt】.
Once you have the details, you can use ampinstmgr RebindInstance [Instance Name] [New IP Binding] [New Port Number] to change the port of one of your instances if needed【9:0†ampinstmgr command line reference.txt】.
Check those ports and let me know what you find! If you need more help tweaking settings or further investigation, I’m here to help. Just throw the info my way! 
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