“Data Model Version Compile”.. error after upgrading to Lion (Xcode4.1)
问题 Since upgrading to Lion yesterday (10.6->10.7), I've been unable to compile a project that had no problems compiling prior to the upgrade. It's not even a recent change to the project that's causing this error: If I checkout from SVN a version of the project from a few days or a week ago, I get the same error whilst building: "Command /Developer/usr/bin/momc failed with exit code 6" , which expands to the following: Build Error: DataModelVersionCompile /Users/ian/Library/Developer/Xcode