Sevrer crash

Hello everyone. I need help because every time I try to start the server I get this message:14:08:47] [Server thread/EMERGENCY]: An unrecoverable error has occurred and the server has crashed. Creating a crash dump
[14:08:47] [Server thread/EMERGENCY]: Please upload the "/storage/emulated/0/PocketMine-MP/crashdumps/Sat_Feb_29-14.08.47-UTC_2020.log" file to the Crash Archive and submit the link to the Bug Reporting page. Give as much info as you can.
--- Waiting 120 seconds to throttle automatic restart (you can kill the process safely now) ---.

 

Could you post the crashdump so we can see the error?

 

Ok

 

You cant use port 77777. Change in server.properties

 

Ah ok .thakns

 

What should i do with my server sam problem

 

What should i do

 

Please give the full crashdump file inside the crashdump folder in your server.

 

how

 

Go to the crashdumps folder in your server, then upload the newest crashdump file.