diff --git a/src/modules/basis/flight/sagas/basisFlightSaga.ts b/src/modules/basis/flight/sagas/basisFlightSaga.ts
index ee016c8e..001760e0 100644
--- a/src/modules/basis/flight/sagas/basisFlightSaga.ts
+++ b/src/modules/basis/flight/sagas/basisFlightSaga.ts
@@ -144,6 +144,15 @@ function* createPlanSaga(action: ActionType<typeof Actions.FLIGHT_PLAN_CREATE.re
             isRefresh: false
           })
         );
+      } else if(data.errorCode === 'FT500') {
+        yield put(
+          MessageActions.IS_ERROR({
+            errorCode: DUPLATE_MESSAGE.code,
+            errorMessage: data.errorMessage,
+            isHistoryBack: false,
+            isRefresh: false
+          })
+        );
       } else {
         throw Error;
       }