Server crashes after start because for a "ticking entity"

hello, im having a problem:

after the server starts it chashes because of a ticking entity, here is the log:

https://mclo.gs/EtLwbXo

I have this server for 3 months and this has never happened

can someone help me?

mods:

i installed on the server the mod cofh Core for use the command "cofh Killall" but it does not work

Quote from coolgamerslush

Have you tried backing up the current world and creating a new one? If it still crashes on the new one, try removing mods..

A ticking entity error is most likely caused by an item drop.. try doing /kill @e[type=item] (copy paste if you need to)

thank you