dyld：未找到符号：iOS 3.2错误

dyld: Symbol not found: _OBJC_CLASS_$_NSCache
  Referenced from: /var/mobile/Applications/884C05DF-261D-4581-96CD-3727103C5832/speedymap.app/speedymap
  Expected in: /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /var/mobile/Applications/884C05DF-261D-4581-96CD-3727103C5832/speedymap.app/speedymap
Data Formatters temporarily unavailable, will re-try after a \'continue\'. (Not safe to call dlopen at this time.)

NSCache