Might be related to my configuration, but how to fix?

https://pastebin.com/j3Dy7h8s

I have only tested with EssentialsX. I have never seen it hanging

That is essentialsX, don't think it has to do with essentials though. The server just refuses to boot further, I am forced to remove the jar to boot the server. There is definatly something wrong that I hope we can find a fix for soon.

This is on paper 1.14.2, nor 6.6.1 or 6.6.3 worked.

Paper link: https://papermc.io/

It works fine on 1.13.2, only happens on 1.14.2. Hoping for a fix so we can have happy hour again :)

Removing rewards.yml fixed this issue.. odd though

That's odd, as I don't use bags? Or does it mean all heads from mobs?

Hmm... rewards.yml contains all the bags that players had placed in your worlds. Deleting this file will make their bag invalid and have a value of 0.

I would rather find the bug :-)

Ah. It also contains all the heads given as a reward, when they are placed as a block