Changed project name in Xcode causing naming error

Check the product name in build settings and make sure everywhere it is Myapp. If that is done,

• Close your project -> go to finder.
• Right click on your .xcodeproject file and click on show packagecontents.
• Then right click on your project.pbxproj and open it in some texteditor.
• Then search for Myapp-temp-caseinsensitive-rename and manually renameit.
• Save it after changing and then reopen the project.

Make sure you have taken a back up of your project before doing this.

I had a similar issue, but it only affected a Target that got affixed with "case-insensitive-rename". If you have a similar situation, just do the following (using XCode 5):

1) click on your project in the left.2) expand to see all your targets by clicking the tiny button

3) rename affected Target(s).

4) Save project. Then for OCD brownie points, open your project in a text editor and do a ctrl-f for any "insensitive" or similar to ensure everything's resolved.

None of these worked for me,I found this post and it worked, and it was the simplest. So I guess the solution depends on how you got yourself in the mess in the first place :)

-temp-caseinsensitive-rename in Bundle Identifier