Incompatible block pointer types

gistfile1.m

- (BOOL)setMore
{
    BOOL moreExist = NO;
    
    if (foo || bar)
    {
        moreExist = YES;

        [NSURLConnection sendAsynchronousRequest:[NSURLRequest
                                                  requestWithURL: [NSURL URLWithString:url]] queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
            if (data) {
                newStr = [[NSString alloc] initWithData:data
                                               encoding:NSUTF8StringEncoding];
                if(!newStr)
                {
                    newStr = [[NSString alloc] initWithData:data
                                                   encoding:NSASCIIStringEncoding];
                }
                
                UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 480)];
                //        [self.navigationController setToolbarHidden: YES animated: YES];
                [webView setDelegate:(id)self];

                NSURL *ddurl = [NSURL URLWithString:newStr];
                NSURLRequest *requestObj = [NSURLRequest requestWithURL:ddurl];
                progress = [[MBProgressHUD alloc]init];
                [[NSOperationQueue mainQueue] addOperationWithBlock:^{
                    [progress show:YES];
                    [webView loadRequest:requestObj];
                    [self.view addSubview:webView];
                    [self.view addSubview:progress];
                }];
            }
        }];
    }
    else
    {
        moreExist = YES;
        
        [NSURLConnection sendAsynchronousRequest:[NSURLRequest
                                                  requestWithURL: [NSURL URLWithString:url]] queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
            if (data) {
                
                // something else
                     
                return moreExist;
            }
        }];
    }
    return moreExist;
}