Xcode 4 project: utility to clean up pbxproj file?

Question

I have an Xcode 4 project with 2 targets, one for iPhone and one for iPad. If I click on the iPad target and try to go to Build Settings Xcode 4 crashes:

Answer 1

Ben Mosher found the solution. And yes it is due to SVN merge problem.

As we working in team with SVN the error occur often so I wrote a bash script:

#!/bin/bash
sed "/(null) in/d" project.pbxproj > tmp_project.pbxproj
mv tmp_project.pbxproj project.pbxproj