11.03.14 07:30:38.689 com.apple.preferences.icloud.remoteservice[724]: [AOSAccounts] : IAAppProvider::CreateIAApp serviceID com.apple.Dataclass.Calendars Timed out waiting for account creation called with setting [{
    IAAccountTypeKey = kIAServiceCalDAV;
    accountDescription = iCloud;
    emailAddress = "mein@username.ch";
    mergeLocalDataToiCloud = 1;
    serverAddress = "https://p02-caldav.icloud.com:443";
    userName = "mein@username.ch";
}]
11.03.14 07:30:38.690 com.apple.preferences.icloud.remoteservice[724]: [AOSAccounts] : IAAppProvider::CreateIAApp: serviceID com.apple.Dataclass.Calendars :no account was created error received is [0-(null)]
11.03.14 07:30:39.263 com.apple.preferences.icloud.remoteservice[724]: *** remoteObjectProxyWithErrorHandler failed: Error Domain=NSCocoaErrorDomain Code=4097 "Die Kommunikation mit einem Hilfsprogramm ist fehlgeschlagen."; {
}
11.03.14 07:30:58.701 com.apple.preferences.icloud.remoteservice[724]: [AOSAccounts] : IAAppProvider::CopyAccountUIDForUser Timed out waiting
11.03.14 07:30:58.701 com.apple.preferences.icloud.remoteservice[724]: [com.apple.calendar.iaplugin.log.CalInternetAccountsPlugin] [An account with a nil or empty UID is requested.  Will not respond.]
11.03.14 07:30:59.239 com.apple.preferences.icloud.remoteservice[724]: *** remoteObjectProxyWithErrorHandler failed: Error Domain=NSCocoaErrorDomain Code=4097 "Die Kommunikation mit einem Hilfsprogramm ist fehlgeschlagen."; {
}
11.03.14 07:31:18.712 com.apple.preferences.icloud.remoteservice[724]: [AOSAccounts] : IAAppProvider::CopyAccountUIDForUser Timed out waiting
11.03.14 07:31:18.714 com.apple.preferences.icloud.remoteservice[724]: [AOSAccounts] : IAAppProvider::SetEnabled : account mein@username.ch  serviceID com.apple.Dataclass.Calendars CreateIAApp failed