add if statement

@@ -41,9 +41,13 @@ export default withRouter(({ location }) => {
             roomId: roomNum,
             roomId: roomNum,
           },
           },
         });
         });
+        if (!messageObj) {
+          toast.error("fail to create new message !, try again");
+        } else {
           const { text, createdAt } = messageObj;
           const { text, createdAt } = messageObj;
           outcomingMsg = text;
           outcomingMsg = text;
           outcomingTime = createdAt;
           outcomingTime = createdAt;
+        }
       } catch {
       } catch {
         toast.error("text must be not empty");
         toast.error("text must be not empty");
       }
       }