Server keeps crashing

#1
I have unban items turned off, I got world edit and did //1 //2 then //set tnt, then i gone all around the tnt and did //rpl air fire, then the tnt lit and then it went to explode but right when it was gonna explode the server crashed, and now whenever i try to turn it on, it turns on for like 1 second then crash again, I tried enabling unban items but that didn't fix it, please fix it, also if it was online and somebody tried to join it crash.

IP: a17852.leet.cc
Port: 17852

And is it possible to send the world file of the server to me please?