Tried to obtain the web lock from a thread other than the main thread or the web thread. Crashing now

Question

bool _WebTryThreadLock(bool), 0x8053ce0: Tried to obtain the web lock from a thread other than the main thread or the web thread. This may be a result of calling to UI

Answer 1

//The easiest way is to call the function using main thread for that.

dispatch_async(dispatch_get_main_queue(), ^{ [self doSomething]; });