我正在使用CustomCell tableview，下载数据并绑定它。当我点击多次时出现此错误。
[NSCFString numberOfSectionsInTableView:]: unrecognized selector sent to instance 0x1bd170
Sat Jan 22 12:03:26 unknown Fridge[535] <Error>: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSCFString numberOfSectionsInTableView:]: unrecognized selector sent to instance 0x1bd170'
*** Call stack at first throw:
(
0 CoreFoundation 0x314d0987 __exceptionPreprocess + 114
1 libobjc.A.dylib 0x319a149d objc_exception_throw + 24
2 CoreFoundation 0x314d2133 -[NSObject(NSObject) doesNotRecognizeSelector:] + 102
3 CoreFoundation 0x31479aa9 ___forwarding___ + 508
4 CoreFoundation 0x31479860 _CF_forwarding_prep_0 + 48
5 UIKit 0x339023fb -[UITableViewRowData(UITableViewRowDataPrivate) _updateNumSections] + 66
6 UIKit 0x3390235b -[UITableViewRowData invalidateAllSections] + 50
7 UIKit 0x33902111 -[UITableView(_UITableViewPrivate) _updateRowData] + 64
8 UIKit 0x33902069 -[UITableView noteNumberOfRowsChanged] + 64
9 UIKit 0x33901bff -[UITableView reloadData] + 582
10 UIKit 0x33904a0b -[UITableView _reloadDataIfNeeded] + 50
11 UIKit 0x33904e63 -[UITableView layoutSubviews] + 18
12 UIKit 0x338b10cf -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 26
13 CoreFoundation 0x3146ebbf -[NSObject(NSObject) performSelector:withObject:] + 22
14 QuartzCore 0x30a6c685 -[CALayer layoutSublayers] + 120
15 QuartzCore 0x30a6c43d CALayerLayoutIfNeeded + 184
16 QuartzCore 0x30a6656d _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 212
17 QuartzCore 0x30a66383 _ZN2CA11Transaction6commitEv + 190
18 QuartzCore 0x30a89f9d _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 52
19 CoreFoundation 0x31460c59 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 16
20 CoreFoundation 0x31460acd __CFRunLoopDoObservers + 412
21 CoreFoundation 0x314580cb __CFRunLoopRun + 854
22 CoreFoundation 0x31457c87 CFRunLoopRunSpecific + 230
23 CoreFoundation 0x31457b8f CFRunLoopRunInMode + 58
24 GraphicsServices 0x35d664ab GSEventRunModal + 114
25 GraphicsServices 0x35d66557 GSEventRun + 62
26 UIKit 0x338d5329 -[UIApplication _run] + 412
27 UIKit 0x338d2e93 UIApplicationMain + 670
28 Fridge 0x00002a7f main + 70
29 Fridge 0x00002a34 start + 40
)
Sat Jan 22 12:03:26 unknown UIKitApplication:com.sdi.Fridge[0xa6da][535] <Notice>: terminate called after throwing an instance of 'NSException'
**Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[CALayer numberOfSectionsInTableView:]: unrecognized selector sent to instance 0x184250'**
由于
答案 0 :(得分：2)
感谢问题的详细视图，但唯一重要的部分是这个
-[NSCFString numberOfSectionsInTableView:]: unrecognized selector
它告诉您在numberOfSectionsInTableView:
NSCFString
这似乎是错误的
请检查代码中调用的方法在哪里
在你的情况下也不需要其他的。
编辑：
您是否在委托方法tableview中发布了自定义单元格。如果是，而不是使用autorelease。