From 5685cb6748fa71bdf68eaa1877e07cd41d31b7fe Mon Sep 17 00:00:00 2001
From: filtered <176114999+webfiltered@users.noreply.github.com>
Date: Mon, 19 May 2025 19:06:32 +1000
Subject: [PATCH] Fix invalid links in nested subgraph conversion

---
 src/composables/useCoreCommands.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/composables/useCoreCommands.ts b/src/composables/useCoreCommands.ts
index cefae64c5..d835a75fb 100644
--- a/src/composables/useCoreCommands.ts
+++ b/src/composables/useCoreCommands.ts
@@ -727,7 +727,10 @@ export function useCoreCommands(): ComfyCommand[] {
       versionAdded: '1.20.1',
       function: () => {
         const canvas = canvasStore.getCanvas()
-        const res = canvas.graph?.convertToSubgraph(canvas.selectedItems)
+        const graph = canvas.subgraph ?? canvas.graph
+        if (!graph) throw new TypeError('Canvas has no graph or subgraph set.')
+
+        const res = graph.convertToSubgraph(canvas.selectedItems)
         if (!res) {
           toastStore.add({
             severity: 'error',