Check if history exists before discarding

1 files changed, 3 insertions, 1 deletions

diff --git a/editor/editor_data.cpp b/editor/editor_data.cpp
index 786e841c21..b4cf6d8de1 100644
--- a/editor/editor_data.cpp
+++ b/editor/editor_data.cpp
@@ -649,7 +649,9 @@ void EditorData::remove_scene(int p_idx) {
 		EditorNode::get_singleton()->emit_signal("scene_closed", edited_scene[p_idx].path);
 	}
 
-	undo_redo_manager->discard_history(edited_scene[p_idx].history_id);
+	if (undo_redo_manager->has_history(edited_scene[p_idx].history_id)) { // Might not exist if scene failed to load.
+		undo_redo_manager->discard_history(edited_scene[p_idx].history_id);
+	}
 	edited_scene.remove_at(p_idx);
 }