Hi, I am trying to connect a BluetoothLE device, I get as far as connecting a service, when I call discoverCharacteristic:ForService: I correctly get the callback didDiscoverCharacteristicsForService, but then when I attempt to check that no errors occured I get the following error: Error Domain=CBErrorDomain Code=1 "One or more parameters were invalid." UserInfo=0x1f062150 {NSLocalizedDescription=One or more parameters were invalid.} Anybody know what might cause this? I cannot find the error in reference material anywhere, it is like CBErrorDomain does not exist. I also tried to put all the characteristics associated with the service in an array as follows(intentionally before the error check): NSArray *foundCharacteristics = service.characteristics; but then when i check foundCharacteristics, the array is empty. I do not know if the two are connected, but I think it might be possible. Any ideas? Thanks! Constantijn _______________________________________________ Do not post admin requests to the list. They will be ignored. Bluetooth-dev mailing list (Bluetooth-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/bluetooth-dev/site_archiver%40lists.... This email sent to site_archiver@lists.apple.com