diff --git a/M02_MasterTemplete/DataFlow/M02_DF_InputPanel_Logic.ts b/M02_MasterTemplete/DataFlow/M02_DF_InputPanel_Logic.ts
index cdc55845d..3ac1c5507 100644
--- a/M02_MasterTemplete/DataFlow/M02_DF_InputPanel_Logic.ts
+++ b/M02_MasterTemplete/DataFlow/M02_DF_InputPanel_Logic.ts
@@ -66,6 +66,10 @@ const TEXT = {
     "돌고 도는 로직이 됨 — 이 로직을 부르는 로직은 못 고름",
     "That would loop — a logic that uses this one can't be picked",
   ],
+  NoFlow: [
+    "이 로직의 흐름을 아직 못 읽음 — 서버 흐름 받기 길이 없음",
+    "Can't read this logic's flow yet",
+  ],
   Failed: ["불러오지 못함", "Could not load"],
   Wait: ["값 셈 중…", "Calculating…"],
 } as const;
@@ -243,7 +247,7 @@ export function renderLogicInput(
         ),
       });
     } catch (e) {
-      showToast(plain(e), "error");
+      showToast((e as { status?: number }).status === 404 ? t("NoFlow") : plain(e), "error");
     }
   };