useEffect(() => {
   if (!sharedData || !sharedData.id) return;
 
   const channel = supabase
     .channel(`public:run_of_shows:id=eq.${sharedData.id}`)
     .on(
       "postgres_changes",
       {
         event: "UPDATE",
         schema: "public",
         table: "run_of_shows",
         filter: `id=eq.${sharedData.id}`,
       },
       (payload) => {
         console.log("Real-time update received:", payload);
         const updatedRunOfShow = payload.new as SharedRunOfShowData;
         setSharedData((prevData) => {
           if (!prevData) return null;
           return {
             ...prevData,
             live_show_data: updatedRunOfShow.live_show_data,
             items: updatedRunOfShow.items || prevData.items,
             last_edited: updatedRunOfShow.last_edited || prevData.last_edited,
           };
         });
       },
     )
     .subscribe((status, err) => {
       if (status === "SUBSCRIBED") {
         console.log("Subscribed to real-time updates for Run of Show ID:", sharedData.id);
       }
       if (status === "CHANNEL_ERROR" || status === "TIMED_OUT") {
         console.error("Real-time subscription error:", status, err);
         setError("Connection lost. Please refresh to see live updates.");
       }
     });
 
   return () => {
     supabase.removeChannel(channel);
   };
-}, [sharedData]);
+}, [sharedData?.id]);