You still need to say what the actual problem is. Are you referring to a sync error? What's the actual message?
Can you generate debug output for startup through whatever error you're referring to with Help -> Debug Output Logging -> "Restart with Logging Enabled…", submit it, and provide the Debug ID?
Can you generate debug output for startup through whatever error you're referring to with Help -> Debug Output Logging -> "Restart with Logging Enabled…", submit it, and provide the Debug ID?