From c86f4c7f580b80967d9d6de082dbdb8ab86127f0 Mon Sep 17 00:00:00 2001
From: dzil123 <5725958+dzil123@users.noreply.github.com>
Date: Sun, 11 Sep 2022 02:33:59 -0700
Subject: [PATCH] Ignore node rename if already exited blend tree

(cherry picked from commit f9bee9099457a7e582ad785f5134a86ed1f8fac5)
---
 editor/plugins/animation_blend_tree_editor_plugin.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/editor/plugins/animation_blend_tree_editor_plugin.cpp b/editor/plugins/animation_blend_tree_editor_plugin.cpp
index 2e61a6a8864..efcf5e809ce 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.cpp
+++ b/editor/plugins/animation_blend_tree_editor_plugin.cpp
@@ -843,6 +843,10 @@ void AnimationNodeBlendTreeEditor::_bind_methods() {
 AnimationNodeBlendTreeEditor *AnimationNodeBlendTreeEditor::singleton = nullptr;
 
 void AnimationNodeBlendTreeEditor::_node_renamed(const String &p_text, Ref<AnimationNode> p_node) {
+	if (blend_tree.is_null()) {
+		return;
+	}
+
 	String prev_name = blend_tree->get_node_name(p_node);
 	ERR_FAIL_COND(prev_name == String());
 	GraphNode *gn = Object::cast_to<GraphNode>(graph->get_node(prev_name));