当我点击执行此方法的按钮时，会发生此类错误。那是什么意思？ （在APP购买中）
System group container for systemgroup.com.apple.configurationprofiles path is /Users/apple/Library/Developer/CoreSimulator/Devices/1F8BF693-81E9-49A0-890A-1FE1E766509D/data/Containers/Shared/SystemGroup/systemgroup.com.apple.configurationprofiles
2016-12-01 19:09:25.624659 DishantInAppPurchase[7450:317095] [MC] Reading from private effective user settings.