I had a missing file error that led me to a solution telling me this line of code would be my savior
sudo ln -s ../../4.3\ \(8L1\)/Symbols/Developer/ Developer
Instead this caused me a much greater problem and now I cannot run my application on my phone at all. Now it is giving me a broken pipe error. Can someone explain an easy way to undo that first line? I have tried everything I could think of - even went as far as to upgrade to lion, uninstall xcode, reinstall new xcode, I am restoring the device now in hopes it will force xcode to recreate the folders and files I somehow screwed with
Deleting your developer directory and re-installing Xcode should surely fix any problems you created with the aforementioned line.
Make sure you reboot the device, not sure a restore will do any good.