Xcode build Error exit code 254

hi,

I trying to build my project from xcode 5.1 , but i always get that error :cry:

clang: note: diagnostic msg: PLEASE submit a bug report to http://developer.apple.com/bugreporter/ and include the crash backtrace, preprocessed source, and associated run script.
clang: error: unable to execute command: Segmentation fault: 11
clang: note: diagnostic msg: Error generating preprocessed source(s).
Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 254

I also create empty project from xcode and it work fine

Xcode5.1, unity4.3.4

How i can fix that , Thanks a lot :slight_smile:

Does build log contain message, which file it was compiling when crashed?