'ld: file not found' after changing product name in Xcode

Question

I was working on my application and i started out with a really bad name. So i decided to change it. I did that like this.

Answer 1

I resolved this by Deleting the Derived Data and rebuilding the project.

1. Go to Windows > Projects
2. Select Your Project
3. Delete Derived Data
4. Build your project and Run