Raise Error node now actually prints its own error message

Source/Integration/K2Node_RaiseError.h

@@ -41,7 +41,7 @@ class UK2Node_RaiseError : public UK2Node
 	//~ End UEdGraphNode Interface.
 
 	//~ Begin UK2Node Interface.
-	virtual bool IsNodePure() const override { return true; }
+	virtual bool IsNodePure() const override { return false; }
 	virtual void PostReconstructNode() override;
 	virtual bool NodeCausesStructuralBlueprintChange() const override { return true; }
 	virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
@@ -62,7 +62,7 @@ private:
 private:
 	/** When adding arguments to the node, their names are placed here and are generated as pins during construction */
 	UPROPERTY()
-	TArray<FName> PinNames;
+	TArray<FString> PinNames;
 
 	/** Tooltip text for this node. */
 	FText NodeTooltip;