我是swift的新手并且一直在尝试基本的tableviews。
我已经构建了一个简单的应用程序，其中有一个带有图标图像和两个标签的表格单元格，但是当我尝试运行它时，我遇到一个持久性错误，而我似乎无法找到解决方案。
2016-01-24 00:45:55.198 xxxAppNamexxx[15608:5747278] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<xxxAppNamexxx.ItemTableViewCell 0x7ff4f1f3e160> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key sourceIcon.'
*** First throw call stack:
(
0 CoreFoundation 0x00000001079fcf45 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x0000000109720deb objc_exception_throw + 48
2 CoreFoundation 0x00000001079fcb89 -[NSException raise] + 9
3 Foundation 0x0000000107dc5a6b -[NSObject(NSKeyValueCoding) setValue:forKey:] + 288
4 UIKit 0x00000001082cd96f -[UIView(CALayerDelegate) setValue:forKey:] + 173
5 UIKit 0x00000001085d1a71 -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x000000010793da80 -[NSArray makeObjectsPerformSelector:] + 224
7 UIKit 0x00000001085d0454 -[UINib instantiateWithOwner:options:] + 1864
8 UIKit 0x000000010835c177 -[UITableView _dequeueReusable