我最近在应用程序审核中批准了我的应用程序，当我在Xcode 6.1中创建它时几天前我更新到Xcode 7.0.1和iOS 9设备我在调试区域出现以下错误：
Oct 14 13:07:16 MonsterMAN[242] <Error>: CGContextRestoreGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
2015-10-14 13:07:33.735 MonsterMAN[242:8743] plugin com.apple.GameCenterUI.GameCenterAuthenticateExtension invalidated
2015-10-14 13:07:53.385 MonsterMAN[242:8431] 13:07:53.381 WARNING: [0x3ba4a000] 997: Failure to setup sound, err = -50
2015-10-14 13:08:04.272 MonsterMAN[242:8431] Received memory warning.
2015-10-14 13:39:20.607 MonsterMAN[265:13165] plugin com.apple.GameCenterUI.GameCenterAuthenticateExtension invalidated
2015-10-14 13:39:25.027 MonsterMAN[265:13058] Attempting to load the view of a view controller while it is deallocating is not allowed and may result in undefined behavior (<UIAlertController: 0x161d4400>)
plugin com.apple.GameCenterUI.GameCenterDashboardExtension invalidated
如何摆脱所有这一切？