build - cocos2d errors when changing iOS target -

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i have ios app has been using cocos2dx. app works fine when app , cocos library both target ios 6 when change 7 or 8 error appearing.

libc++abi.dylib: terminating uncaught exception of type std::out_of_range: basic_string

why appear of sudden

this crash in code, iterating on string , accessing out of bounds.

try debugging application in xcode , adding breakpoint exceptions: http://blog.manbolo.com/2012/01/23/xcode-tips-1-break-on-exceptions

you can follow call stack offending code.


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