Server crashes after trying to start

So, i just connected today to play a little bit, and when i started the server it crashed. Im using forge 1.15.1(30.0.50), but i uninstall all the mods to see if there was a compatibility problem or something like that, and the problem didnt solve.

I also checked the log file, but its always empty (which is odd i think). So, from this point, i dont know what to do. I've already sent a ticket explaining my problem, but since i dont know how long is it going to take for them to read it (if they actually do, and i hope so) I decided to ask in the forum to see if theres another solution.

Thanks for reading

The server, just after clicking start server (on the web), it doesnt even start

Well, now I can see the log, but its still crashing. The reason seems to be the corail tomstone mod. Do i need to delete the mod or is there a way to fix it? Here is my log:

https://mclo.gs/qIyF6Ik

Yes, removing it makes the server works, but we had been using it for weeks so i dont know why we cant use it now. Its sad