[__NSCFString countByEnumeratingWithState:objects:count:]: unrecognized selector sent to instance 0x17deba00

还真是一波未平一波又起，又出现了这个问题，详情如下：

-[__NSCFString countByEnumeratingWithState:objects:count:]: unrecognized selector sent to instance 0x17deba00
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFString countByEnumeratingWithState:objects:count:]: unrecognized selector sent to instance 0x17deba00'
*** First throw call stack:
(0x2616d0d7 0x345ffc77 0x2617259d 0x26170479 0x2609f708 0x187137 0x1594ed 0x8d019b 0x8d0187 0x8d3e9d 0x26132669 0x26130d89 0x2607c6d1 0x2607c4e3 0x2da411a9 0x2982e445 0x1a6095 0x34bcdaaf)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb) 

解决办法寻找中……