【发布时间】：2017-02-12 22:01:28
【问题描述】：
我正在尝试将 Paypal 集成到我的目标 c 项目中。 在出现 Paypal 登录屏幕并输入我的登录数据并登录成功后，此视图会弹出到上一个视图，该视图应显示记录的客户端数据，应用程序崩溃给我以下错误
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from objects[0]'
*** First throw call stack:
(
0 CoreFoundation 0x0000000113defd85 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x00000001137f7deb objc_exception_throw + 48
2 CoreFoundation 0x0000000113cec23e -[__NSPlaceholderDictionary initWithObjects:forKeys:count:] + 318
3 CoreFoundation 0x0000000113cfe5bb +[NSDictionary dictionaryWithObjects:forKeys:count:] + 59
4 AppCreator 0x000000010d890e1e +[PPZebraUI text:withAnnotation:] + 810
5 AppCreator 0x000000010d875c87 -[PPFundingOption titleForDisplay] + 318
6 AppCreator 0x000000010d8b187f -[PPPaymentFundingOptionSelectionCell refreshContent] + 653
7 AppCreator 0x000000010d8b0bfc -[PPPaymentAttributeSelectionCell initWithViewController:withTitle:withPickerTitle:withDataSource:] + 1293
8 AppCreator 0x000000010d88db04 -[PPSelectPayMethodViewController paymentAttributeSelectionCells] + 310
9 AppCreator 0x000000010d8d4601 -[PPSelectPayMethodViewControllerIOS7 updateTableToConfirm:] + 977
10 AppCreator 0x000000010d8d416e -[PPSelectPayMethodViewControllerIOS7 refreshTable:] + 100
11 AppCreator 0x000000010d8d4229 -[PPSelectPayMethodViewControllerIOS7 viewDidAppear:] + 87
12 UIKit 0x000000010f41d335 -[UIViewController _setViewAppearState:isAnimating:] + 830
13 UIKit 0x000000010f41dcb8 -[UIViewController _endAppearanceTransition:] + 262
14 UIKit 0x000000010f45886f -[UINavigationController navigationTransitionView:didEndTransition:fromView:toView:] + 1290
15 UIKit 0x000000010f44e630 __49-[UINavigationController _startCustomTransition:]_block_invoke + 233
16 UIKit 0x000000010fcaa4c8 -[_UIViewControllerTransitionContext completeTransition:] + 101
17 UIKit 0x000000010f2658a3 __53-[_UINavigationParallaxTransition animateTransition:]_block_invoke95 + 834
18 UIKit 0x000000010f32d53e -[UIViewAnimationBlockDelegate _didEndBlockAnimation:finished:context:] + 644
19 UIKit 0x000000010f30a7ff -[UIViewAnimationState sendDelegateAnimationDidStop:finished:] + 241
20 UIKit 0x000000010f30abae -[UIViewAnimationState animationDidStop:finished:] + 80
21 QuartzCore 0x000000010f12e3c8 _ZN2CA5Layer23run_animation_callbacksEPv + 308
22 libdispatch.dylib 0x000000011440b3eb _dispatch_client_callout + 8
23 libdispatch.dylib 0x00000001143f31ef _dispatch_main_queue_callback_4CF + 1738
24 CoreFoundation 0x0000000113d490f9 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
25 CoreFoundation 0x0000000113d0ab99 __CFRunLoopRun + 2073
26 CoreFoundation 0x0000000113d0a0f8 CFRunLoopRunSpecific + 488
27 GraphicsServices 0x0000000115780ad2 GSEventRunModal + 161
28 UIKit 0x000000010f27cf09 UIApplicationMain + 171
29 AppCreator 0x000000010d3251df main + 111
30 libdyld.dylib 0x000000011444092d start + 1
) libc++abi.dylib：以 NSException 类型的未捕获异常终止
我在单独的应用程序中尝试了 SDK，它运行良好。当我将 sdk 添加到我的项目时会发生此错误。 任何人都可以帮我解决这个错误的原因
【问题讨论】：
-
如果您阅读错误日志
attempt to insert nil object from objects[0]的第一行，它表示您正在尝试将nil插入字典。这有帮助吗？你能告诉我们你造成崩溃的代码吗？ -
问题是：这根本不是我的代码，我什至无法调试它，因为它发生在显示“PayPalPaymentViewController”并成功登录之后，当 Paypal SDK 试图显示记录用户信息此崩溃发生
标签： ios objective-c iphone paypal