duplicate symbols for architecture i386 clang

Question

I\'ve seen several posts on google and stackoverflow related to this error, I\'ve read all of them but still fetching the problem , I will be glad for a solution. Here is th

Answer 1

I had this error after I copy & paste a test file into the project, forgetting to change the name of the interface and implementation lines:

@interface TDInputValidationsTests : XCTestCase

and

@implementation TDInputValidationsTests

Silly mistake... I also suggest looking at the "build phases" tab on the project to check for duplicates. Deleting the derived data and making a clean-build might help as well.