Technical Specs (please complete the following information):

• Craft to Exile Version 2.12.0b
• Multiplayer
• 8GB RAM

Describe the bug
After not playing this mod for several (4+ months) i updated my older server version (2.8.7) to the 2.12.0b version all mobs (friendly and hostile) have huge amounts of health.
I noticed the health is exactly the singed bit integer limit (2147483647)
They still have normal damage and everything else seems to be working fine, but this made my old save unplayable

To Reproduce
I dont really know how to reproduce this.
I had a server that i have upgraded by deleting all the relevant server files and putting the new versions in, from about version 2.4.x to 2.8.7. I recently upgraded to 2.12.0b and this bug occured

Expected behavior
Monsters not to have 2147483647 health :D

Additional Information (screen shots, etc.)
Huge fan of the modpack!

overwrite the mine and slash serverconfig with the one in config/copy/serverconfig