From 0384474f8376bd6e7a06d935fa6a7a152ab525ca Mon Sep 17 00:00:00 2001
From: Manuel Dun <manueldun@gmail.com>
Date: Mon, 25 Oct 2021 19:44:22 -0400
Subject: [PATCH] Added error macro to ensure non null parameter

---
 scene/resources/skeleton_modification_stack_3d.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scene/resources/skeleton_modification_stack_3d.cpp b/scene/resources/skeleton_modification_stack_3d.cpp
index a724b732b96..c03210cf48e 100644
--- a/scene/resources/skeleton_modification_stack_3d.cpp
+++ b/scene/resources/skeleton_modification_stack_3d.cpp
@@ -125,6 +125,7 @@ Ref<SkeletonModification3D> SkeletonModificationStack3D::get_modification(int p_
 }
 
 void SkeletonModificationStack3D::add_modification(Ref<SkeletonModification3D> p_mod) {
+	ERR_FAIL_NULL(p_mod);
 	p_mod->_setup_modification(this);
 	modifications.push_back(p_mod);
 }