Love your mod, keep up the amazing work!

No worries :)

You were right. I'm not sure if I somehow messed it up and it got removed from my mod list or if perhaps the rimworld load order screwed me over but thanks.

That actually looks like you don' have Inheritable Items installed / updated.

This is from that required mod.
parent node named "IHI_ChemfuelFromWood"

You need to give me a full log / save to see the issue. That doesn't show anything but an NRE, which can come from anywhere.

Exception from asynchronous event: System.NullReferenceException: Object reference not set to an instance of an object
[Ref DAB8AA5] Duplicate stacktrace, see ref for original
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch1 (string)
Verse.LongEventHandler:RunEventFromAnotherThread (System.Action)
Verse.LongEventHandler/<>c:<UpdateCurrentAsynchronousEvent>b__28_0 ()
System.Threading.ThreadHelper:ThreadStart_Context (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart ()

And what bug is that, what script are you choosing?

A serious bug prevents me from choosing the script