From 74fc1010249582f55afde9d112935246cb308274 Mon Sep 17 00:00:00 2001
From: Richard Antalik <iss@noreply.localhost>
Date: Thu, 9 Oct 2025 18:01:00 +0200
Subject: [PATCH] Fix #147577: Runtime Error warning on loading default
 workspace

Caused by null de-reference when accessing `sequencer_scene`.

Return false if sequencer scene is null to indicate, that the path to
strips or modifiers can not be created.

Pull Request: https://projects.blender.org/blender/blender/pulls/147594
---
 source/blender/editors/space_buttons/buttons_context.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/blender/editors/space_buttons/buttons_context.cc b/source/blender/editors/space_buttons/buttons_context.cc
index 3c9eb8e9943..3e651f1dc4e 100644
--- a/source/blender/editors/space_buttons/buttons_context.cc
+++ b/source/blender/editors/space_buttons/buttons_context.cc
@@ -615,6 +615,9 @@ static bool buttons_context_path(
   /* No pinned root, use scene as initial root. */
   else if (mainb != BCONTEXT_TOOL) {
     if (ELEM(mainb, BCONTEXT_STRIP, BCONTEXT_STRIP_MODIFIER)) {
+      if (!sequencer_scene) {
+        return false;
+      }
       path->ptr[0] = RNA_id_pointer_create(&sequencer_scene->id);
     }
     else {