how to remove [UITextField setPlaceSearchDelegate:]: this error? - ios

Question

I am using this Library for auto place search
but i am getting the error
Terminating app due to uncaught exception
NSInvalidArgumentException', reason: -[UITextField setPlaceSearchDelegate:]: unrecognized selector sent to instance
0x7faef34e1350'
anyone can solve this why this error is coming?
have tried this code:-
#import "ViewController.h"
#import "MVPlaceSearchTextField.h"
#import "AppDelegate.h"
#import <GoogleMaps/GoogleMaps.h>
#import <GooglePlaces/GooglePlaces.h>
#import <GooglePlacePicker/GooglePlacePicker.h>
#import "RightSideViewController.h"
#import <MapKit/MapKit.h>
#import <CoreLocation/CoreLocation.h>
#import "SearchResultViewController.h"
#interface ViewController ()<PlaceSearchTextFieldDelegate,UITextFieldDelegate>
#property (weak, nonatomic) IBOutlet MVPlaceSearchTextField *txtPlaceSearch;
#end
#implementation ViewController
#synthesize NearByPropertiesBtn;
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.navigationController.navigationBarHidden = YES;
_txtPlaceSearch.placeSearchDelegate = self;
_txtPlaceSearch.strApiKey = #"AIzaSyB2gYLyy4U36gyTufIPCPwY4N9FQBGqScY";
_txtPlaceSearch.superViewOfList = self.view; // View, on which Autocompletion list should be appeared.
_txtPlaceSearch.autoCompleteShouldHideOnSelection = YES;
_txtPlaceSearch.maximumNumberOfAutoCompleteRows = 5;
_txtPlaceSearch.layer.cornerRadius = 50;
locationManager = [[CLLocationManager alloc] init];
[locationManager requestWhenInUseAuthorization];
locationManager.delegate = self;
locationManager.desiredAccuracy = kCLLocationAccuracyBest;
[locationManager startUpdatingLocation];
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField{
[textField resignFirstResponder];
return YES;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(void)viewDidAppear:(BOOL)animated
{
//Optional Properties
_txtPlaceSearch.autoCompleteRegularFontName = #"HelveticaNeue-Bold";
_txtPlaceSearch.autoCompleteBoldFontName = #"HelveticaNeue";
_txtPlaceSearch.autoCompleteTableCornerRadius=0.0;
_txtPlaceSearch.autoCompleteRowHeight=35;
_txtPlaceSearch.autoCompleteTableCellTextColor=[UIColor colorWithWhite:0.131 alpha:1.000];
_txtPlaceSearch.autoCompleteFontSize=14;
_txtPlaceSearch.autoCompleteTableBorderWidth=1.0;
_txtPlaceSearch.showTextFieldDropShadowWhenAutoCompleteTableIsOpen=YES;
_txtPlaceSearch.autoCompleteShouldHideOnSelection=YES;
_txtPlaceSearch.autoCompleteShouldHideClosingKeyboard=YES;
_txtPlaceSearch.autoCompleteShouldSelectOnExactMatchAutomatically = YES;
_txtPlaceSearch.autoCompleteTableFrame = CGRectMake(CGRectGetMinX(_txtPlaceSearch.frame),CGRectGetMaxY(_txtPlaceSearch.frame),_txtPlaceSearch.frame.size.width, 200.0);
_txtPlaceSearch.layer.cornerRadius = 15;
}
#pragma mark - Place search Textfield Delegates
-(void)placeSearch:(MVPlaceSearchTextField*)textField ResponseForSelectedPlace:(GMSPlace*)responseDict{
[self.view endEditing:YES];
NSLog(#"SELECTED ADDRESS :%#",responseDict);
}
-(void)placeSearchWillShowResult:(MVPlaceSearchTextField*)textField{
}
-(void)placeSearchWillHideResult:(MVPlaceSearchTextField*)textField{
}
-(void)placeSearch:(MVPlaceSearchTextField*)textField ResultCell:(UITableViewCell*)cell withPlaceObject:(PlaceObject*)placeObject atIndex:(NSInteger)index{
if(index%2==0){
cell.contentView.backgroundColor = [UIColor colorWithWhite:0.9 alpha:1.0];
}else{
cell.contentView.backgroundColor = [UIColor whiteColor];
}
}