Problem: Xcode 7 compilation error: Bitcode is not supported on versions of IOS prior to 6.0
FIX: Build Options | Enable Bitcode set to No
Reason: This is used by Apple Watch
Problem: You can't pull up Xcode when you Build iOS:
Unityexception:launching IOS Project via Xcode4 failed. Check Editor log for details.
Resolution: The latest version of Xcode has this problem, manually open Xcode.
Issue: Unity encountered the following error when exporting Xcode using Append mode:
Error building Player:KeyNotFoundException:The Given key is not present in the dictionary.
Solution: This issue has been fixed. The fix would appear in 4.6.6p1 and 5.0.3.
Questions: app installation failed an unknow error
Resolution: (1) Clean & Build (2) restart Xcode (3) Window, Projects, select Project, delete derived Data
Problem:
This application ' s application-identifier entitlement does does match that of the installed application. These values must match for a upgrade to be allowed.
Solution: The iphone has an App with the same package identifier, which is deleted and then run.
2 options for Build iOS:
Append: Update only the changed parts
Replace: Replace all parts again
At the point of run you will find that all the scenes and resources will be packaged as assets end of things, copied to the directory, the length of the process depends on how big your scene is, your resources content is not much.
Xcode Common error Handling