I\'m using xcode 6.3
xcode had created a provisioning profile \"xxx.xxx.xxx.watchkitextension\" automatically, in the code signing of watchkit extension target, I\'v
This problem looks similar to this question. Submit WatchKit Provisioning Error
I had the same problem. Here is the solution that worked for me.
Technical Q&A QA1830 The beta-reports-active Entitlement Q: How do I resolve the "beta-reports-active" code signing error? https://developer.apple.com/library/ios/qa/qa1830/_index.html
I had to regenerate the "Distribution" Provisioning Profile that I was using to submit my entire app, before I included the WatchKit extension. Specifically, these steps fixed my problem:
I logged onto developer.apple.com, selected "Certificates, Identifiers & Profiles".