我正在尝试使用[NSPersistentStoreCoordinatorremoveUbiquitousContentAndPersistentStoreAtURL:options:error:]从iCloud中删除核心数据。但是我得到了奇怪的输出:__93+[NSPersistentStoreCoordinatorremoveUbiquitousContentAndPersistentStoreAtURL:options:error:]_block_invoke(1982):CoreData:Ubiquity:Unabletomovecontentdirectorytonewloca