Issue Description:

After updating to 4.1.15, CraftTweaker is throwing an NPE. The scripts run without a problem in 4.1.14.

Script used:

https://github.com/DarkPacks/SevTech-Ages/tree/v3.1.0-rc.2/src/scripts

crafttweaker.log file:

https://pastebin.com/jsuj76kE

Affected Versions (Do not use "latest"):

• Minecraft: 1.12.2
• Forge: 14.23.5.2814
• Crafttweaker: 4.1.15
• Using a server: No

Your most recent log file where the issue was present: