error installing graphviz 2.40.1 app on mac os 10.13.6 with xcode 10

Here is the terminal log. Any suggestions?

Last login: Tue Sep 18 18:31:24 on console Marks-MacBook-Pro:~ markklein$ brew uninstall graphviz Error: No such keg: /usr/local/Cellar/graphviz Marks-MacBook-Pro:~ markklein$ brew install graphviz --with-app ==> Downloading https://www.mirrorservice.org/sites/distfiles.macports.org/graph Already downloaded: /Users/markklein/Library/Caches/Homebrew/downloads/1c469743457f48b96f1f3fca3f9444a15736b2840413f31cc7e5f4a6bb5c8510--graphviz-2.40.1.tar.gz ==> ./configure --prefix=/usr/local/Cellar/graphviz/2.40.1 --without-qt --with-q ==> make install ==> xcodebuild SDKROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacO Last 15 lines from /Users/markklein/Library/Logs/Homebrew/graphviz/03.xcodebuild: 25 libdyld.dylib 0x00007fff55528015 start + 1 26 ??? 0x0000000000000015 0x0 + 21 ) libc++abi.dylib: terminating with uncaught exception of type NSException Command CompileXIB failed with a nonzero exit code

** BUILD FAILED **

The following build commands failed: CompileXIB /tmp/graphviz-20180918-1135-ze21bq/graphviz-2.40.1/macosx/English.lproj/MainMenu.xib CompileXIB /tmp/graphviz-20180918-1135-ze21bq/graphviz-2.40.1/macosx/English.lproj/Export.xib CompileXIB /tmp/graphviz-20180918-1135-ze21bq/graphviz-2.40.1/macosx/English.lproj/Document.xib CompileXIB /tmp/graphviz-20180918-1135-ze21bq/graphviz-2.40.1/macosx/English.lproj/Attributes.xib (4 failures) /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:49:in write': Broken pipe (Errno::EPIPE) from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:49:inputs' from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:49:in rescue in block (3 levels) in safe_fork' from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:31:inblock (3 levels) in safe_fork' from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:30:in fork' from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:30:inblock (2 levels) in safe_fork' from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:27:in open' from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:27:inblock in safe_fork' from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/tmpdir.rb:89:in mktmpdir' from /usr/local/Homebrew/Library/Homebrew/utils/fork.rb:26:insafe_fork' from /usr/local/Homebrew/Library/Homebrew/formula_installer.rb:719:in build' from /usr/local/Homebrew/Library/Homebrew/formula_installer.rb:311:in install' from /usr/local/Homebrew/Library/Homebrew/cmd/install.rb:321:in install_formula' from /usr/local/Homebrew/Library/Homebrew/cmd/install.rb:253:inblock in install' from /usr/local/Homebrew/Library/Homebrew/cmd/install.rb:251:in each' from /usr/local/Homebrew/Library/Homebrew/cmd/install.rb:251:in install' from /usr/local/Homebrew/Library/Homebrew/brew.rb:89:in `'

READ THIS: https://docs.brew.sh/Troubleshooting

Marks-MacBook-Pro:~ markklein$