如果它是iOS 7并且我包含spcluster自定义地图(超级引脚映射),我只会收到此错误.为什么会出现此错误,如何解决？
*** Terminating app due to uncaught exception 'NSRangeException', reason: 'Cannot remove an observer <MKMapAnnotationManager 0xb355a00> for the key path "coordinate" from <Annotation 0x194c1470> because it is not registered as an observer.'