From 874dee0670008e60b5641ffc89a486cea8d3b31e Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Mon, 27 May 2024 17:07:48 +0200
Subject: [PATCH] Fix: crash in data-block lookup with multiple libraries

---
 source/blender/blenkernel/intern/lib_id.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/blender/blenkernel/intern/lib_id.cc b/source/blender/blenkernel/intern/lib_id.cc
index edd2c206737..e20cdaa8974 100644
--- a/source/blender/blenkernel/intern/lib_id.cc
+++ b/source/blender/blenkernel/intern/lib_id.cc
@@ -1631,6 +1631,9 @@ ID *BKE_libblock_find_name_and_library(Main *bmain,
       }
       return nullptr;
     }
+    if (id->lib == nullptr) {
+      return nullptr;
+    }
     if (!STREQ(id->lib->id.name + 2, lib_name)) {
       continue;
     }