Can you also share your crash-report:
1) Open your crash-report on Aternos: https://aternos.org/files/crash-reports
2) Identify the latest crash-report and click on it
3)Copy and paste the content of the file to https://mclo.gs/
4)Send the link here
i fixed some things,but now there is another problem..
Now the server opens,but when i enter it load terrain but it don't let me enter and then the server crash.
This are the latest logs of the server,see if you find something please