Calculate Client Security Hash not complete

Assignment name Total Items Completed Items Correct Items Score Validation Code Status
Assignment 1 - Calculate Client Security Hash 20 20 0 0 nNuJTO Failed

I am getting this, I am not sure what is wrong. I have completed assignment, I have also generated package. I am able to run the code from Orchestrator. Not ure what is incorrect and what is the validation process to get 100% pass?

Thanks!