Exception in flutter

 } else {

          debugPrint(

              'DoLoginEvent response.statusCode: ${response.statusCode}');

          msgT = 'Wrong Credentials';

          msgC = 'Invalid username or password';

          emit(LoginFailedState(msgT, msgC));

        }

      } on TimeoutException catch (e) {

        debugPrint('DoLoginEvent TimeoutException: $e');

        msgT = 'Timeout';

        msgC = 'Please try again';

        emit(TimeoutExceptionState(msgT, msgC));

      } on SocketException catch (e) {

        debugPrint('DoLoginEvent SocketException: $e');

        msgT = 'Connection Failed';

        msgC = 'Check your internet connection';

        emit(InternetExceptionState(msgT, msgC));

      } catch (e) {

        debugPrint('DoLoginEvent e: $e');

        msgT = 'Something Wrong';

        msgC = 'An error occurred while logging in';

        emit(LoginFailedState(msgT, msgC));

      }