Minecraft Version: 1.12.2
Forge Version: 14.23.5.2487
Better With Mods Version: 1037(also 1027)
Reskillable Version: 1.13.0
Issue Description: On world load it spam in console about recipes and advancements and in about 2 minutes waiting kicks with Internal exception or sometimes just freezes ending log with
[minecraft/Minecraft]: Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException

Part of Log(cause it more than 512kB): https://pastebin.com/PeYXHwT4

Found out that this happening since 1.12.0 of Reskillable.

related issue on BWM tracker