The dynamic Aternos port system is failing
Look this
[09:07:24] [Server thread/INFO]: Starting minecraft server version 1.7.9
[09:07:24] [Server thread/INFO]: Loading properties
[09:07:24] [Server thread/INFO]: Default game type: SURVIVAL
[09:07:24] [Server thread/INFO]: Generating keypair
[09:07:24] [Server thread/INFO]: Starting Minecraft server on *:43780
[09:07:24] [Server thread/WARN]: **** FAILED TO BIND TO PORT!
[09:07:24] [Server thread/WARN]: The exception was: java.net.BindException: Address already in use
[09:07:24] [Server thread/WARN]: Perhaps a server is already running on that port?
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