Fix: Crash in nodes modifier with missing node group

We cannot depend on node->id being non-null for group nodes.

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/modifiers/intern/MOD_nodes.cc b/source/blender/modifiers/intern/MOD_nodes.cc
index 211257597cb..ec6cbeb43bf 100644
--- a/source/blender/modifiers/intern/MOD_nodes.cc
+++ b/source/blender/modifiers/intern/MOD_nodes.cc
@@ -280,7 +280,7 @@ static bool check_tree_for_time_node(const bNodeTree &tree,
     }
     if (node->type == NODE_GROUP) {
       const bNodeTree *sub_tree = reinterpret_cast<const bNodeTree *>(node->id);
-      if (check_tree_for_time_node(*sub_tree, r_checked_trees)) {
+      if (sub_tree && check_tree_for_time_node(*sub_tree, r_checked_trees)) {
         return true;
       }
     }