SDK 3.0.0, iOS Version:9.3.2, Xcode Version 8.3.2
the Code is there
```
AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
BOOL flag = [[FBSDKApplicationDelegate sharedInstance] application:application
didFinishLaunchingWithOptions:launchOptions];
[[Twitter sharedInstance] startWithConsumerKey:@"mykey" consumerSecret:@"mySecret"];
}
- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary *)options {
if ([[Twitter sharedInstance] application:app openURL:url options:options]) {
return YES;
}
}
```
LoginViewController
```
- (void)viewDidLoad {
[super viewDidLoad];
TWTRLogInButton *logInButton = [TWTRLogInButton buttonWithLogInCompletion:^(TWTRSession *session, NSError *error) {
if (session) {
NSLog(@"======signed in as %@", [session userName]);
} else {
NSLog(@"======error: %@", [error localizedDescription]);
}
}];
logInButton.center = self.view.center;
[self.view addSubview:logInButton];
}
```
And the infoPlist are ther
```
LSApplicationQueriesSchemes
twitter
twitterauth
CFBundleURLTypes
CFBundleURLSchemes
twitterkit-mykey
```
And The Crash Log is
```
* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.2
frame #0: 0x0000000183057f48 libobjc.A.dylib`objc_exception_throw
frame #1: 0x00000001839f2cf8 CoreFoundation`+[NSException raise:format:] + 120
frame #2: 0x000000010039e044 FastLemonFree Accelerator`-[Twitter logInWithViewController:completion:] + 668
* frame #3: 0x0000000100244428 FastLemonFree Accelerator`-[XFollowUsVC TwitterFollowUsClick:] at XFollowUsVC.m:88 [opt]
frame #4: 0x0000000188b88be8 UIKit`-[UIApplication sendAction:to:from:forEvent:] + 100
frame #5: 0x0000000188b88b64 UIKit`-[UIControl sendAction:to:forEvent:] + 80
frame #6: 0x0000000188b70870 UIKit`-[UIControl _sendActionsForEvents:withEvent:] + 436
frame #7: 0x0000000188b88454 UIKit`-[UIControl touchesEnded:withEvent:] + 572
frame #8: 0x0000000188b88084 UIKit`-[UIWindow _sendTouchesForEvent:] + 804
frame #9: 0x0000000188b80c20 UIKit`-[UIWindow sendEvent:] + 784
frame #10: 0x0000000188b5104c UIKit`-[UIApplication sendEvent:] + 248
frame #11: 0x0000000188b4f628 UIKit`_UIApplicationHandleEventQueue + 6568
frame #12: 0x00000001839a909c CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
frame #13: 0x00000001839a8b30 CoreFoundation`__CFRunLoopDoSources0 + 540
frame #14: 0x00000001839a6830 CoreFoundation`__CFRunLoopRun + 724
frame #15: 0x00000001838d0c50 CoreFoundation`CFRunLoopRunSpecific + 384
frame #16: 0x00000001851b8088 GraphicsServices`GSEventRunModal + 180
frame #17: 0x0000000188bba088 UIKit`UIApplicationMain + 204
frame #18: 0x00000001001a2478 FastLemonFree Accelerator`main at main.m:6 [opt]
frame #19: 0x000000018346e8b8 libdyld.dylib`start + 4
```
From the Log In with Twitter document we can't found How to Fix, please help me
