Application is modifying the AutoLayout engine from a background thread solution

Nsurlsession *session =[Nsurlsession sharedsession]; __weakIDSafeself =Self ; Nsurlsessiondatatask*task = [Session datataskwithrequest:req completionhandler:^ (NSData * _nullable data, Nsurlresponse * _Nullable response, Nserror *_nullable Error) {Self.webdata=data; if(self.webdata) {//If you get the dataNsxmlparser *paser =[[Nsxmlparser Alloc]initwithdata:self.webdata]; Paser.Delegate=Self ;        [Paser parse]; }                if([Self.parseresults isequaltostring:@"false"]) {Uialertcontroller*alert = [Uialertcontroller alertcontrollerwithtitle:@"Logon Failure"Message@"Account password Error"Preferredstyle:uialertcontrollerstylealert]; Uialertaction*action = [Uialertaction actionwithtitle:@"oops"Style:uialertactionstyledefault Handler:nil];            [Alert addaction:action]; //Dispatch_async (Dispatch_get_main_queue (), ^{[self Presentviewcontroller:alert animated:yes completion:nil]; //});                    }            }];    [Task resume]; 

[Self Presentviewcontroller:alert animated:yes Completion:nil] Statement error, information is:

Application is modifying the AutoLayout engine from a background thread, which can leads to engine corruption and weird CRA  Shes. This would cause an exception in a future release.

Workaround:

  Dispatch_async (Dispatch_get_main_queue (), ^{                [self presentviewcontroller:alert animated:yes Completion:nil ];            });

Application is modifying the AutoLayout engine from a background thread solution