title: Xcode Error Command /Applications/Xcode.app/Contents/Developer/usr/bin/momc failed with exit code 1
body: <p>DataModelCompile /Users/maxxx/Library/Developer/Xcode/DerivedData/Pectopatop-axonkvxdjwugklfuanzpglrsyquj/Build/Products/Debug-iphoneos/Pectopatop.app/XMPPRoster.mom Pectopatop/../../Libraries/XMPPFramework/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel
      cd /Users/maxxx/ios/Pectopatop
      setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
      /Applications/Xcode.app/Contents/Developer/usr/bin/momc -XD_MOMC_SDKROOT=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk -MOMC_PLATFORMS iphonesimulator -MOMC_PLATFORMS iphoneos /Users/maxxx/ios/Pectopatop/Pectopatop/../../Libraries/XMPPFramework/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel /Users/maxxx/Library/Developer/Xcode/DerivedData/Pectopatop-axonkvxdjwugklfuanzpglrsyquj/Build/Products/Debug-iphoneos/Pectopatop.app/XMPPRoster.mom</p>
  
  <p>Command /Applications/Xcode.app/Contents/Developer/usr/bin/momc failed with exit code 1</p>
  
  <p>What is the problem?</p>