fix(cave): fixes crash in CaveOverlay. hand sign is still broken though.

Source/RWTHVRCluster/Public/CAVEOverlay/CAVEOverlayController.h

@@ -120,8 +120,8 @@ public:
 	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true"))
 	UStaticMeshComponent* Tape;
 
-	// Right Hand Sign Static Mesh Reference
-	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true"))
+	// Right Hand Sign Static Mesh Reference. Reference to static mesh needs to be set in the corresponding BP. 
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true"))
 	UStaticMesh* SignStaticMesh;
 
 	// Static Mesh Components for all tracked MotionControllers