Eclipse — Testng references non-existing project XXX, launch configuration

Question

When trying to run a test as a TestNG suite, I would get a very cryptic error message saying that TestNG can\'t launch because it references a non-existant project. I think

Answer 1

I also got the same problem but solved it just by deleting test runner. Go to file-->Properties-->Run/Debug Setting -->click on test runner and delete it. After this step your eclipse starts working normally as it was before!.