Fix #20

Author: Circulate233

src/main/java/com/circulation/random_complement/mixin/thaumicenergistics/MixinGuiArcaneTerminal.java

@@ -45,7 +45,7 @@ public abstract class MixinGuiArcaneTerminal extends MixinGuiAbstractTerminal<IA
     private Set<IAEItemStack> randomComplement$mergedCache = new ObjectOpenHashSet<>();
 
     @Unique
-    private Set<IAEItemStack> randomComplement$craftableCache;
+    private Set<IAEItemStack> randomComplement$craftableCache = new ObjectOpenHashSet<>();
 
     public MixinGuiArcaneTerminal(Container inventorySlotsIn) {
         super(inventorySlotsIn);