catter1
catter1
Can you send the crash logs please?
Yes, this can happen when removing Incendium from a world. If you have Discord, this would be easier to solve in [our discord](https://discord.gg/stardustlabs) since it involves me editing a few...
See https://sawdust.catter1.com/
You pick the level editor. The website has instructions for resetting only the nether. The important part is using the website to edit the `level.dat` file.
I don't know if that's an Incendium sword or not, but either way, it's likely a resource pack conflict.
Just to be sure: are you talking about old fireball trails, or *new* ones? 5.4.9 fixed the bug, so all new trails should no longer be frozen. But it cannot...
Fixed in a recent update