Description of the Bug

Server crashed when two players on mining, guessing worldgen.

Logs & Environment

• Full log: 2019-03-10-7.log.gz

• Crash report (If available): https://gist.github.com/ProsperCraft/13657c0245690a506666e51fa1ca9831

Additional context
Modpack - https://minecraft.curseforge.com/projects/drtardis-2-new-adventures

looks weird. might be loot table set in the cart related, i guess? don't have mappings available so not sure.

Hmm, turns out that a sneaky mod that adds a null loot pool is the culprit.
https://paste.fedoraproject.org/paste/oKNoistx~PNbBWuSHlvnRw
Unfortunately, I cannot help you identify which specific mod is breaking all these. Thank you for your cooperation! Feel free to report more issues and ask for help if you have another problem with Railcraft!