SDK 3.4 iOS install on device

I installed SDK 3.4 and trying to install on my iPad2 with iOS 8.02. But after building I have the following error:

[INFO] :   Invoking xcodebuild
[INFO] :   Image optimization complete
[INFO] :   Installing app on device: myIpad
[ERROR] :  Failed to start "com.apple.syslog_relay" service (0xe800007f)
[ERROR] :  Project failed to build after 28s 906ms