After submit my assignment It give me Grading Error

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
1

I submit my assignment with desired output but it shows following error line and with 0 Grade kindly explain how to fix it:
Error: Comment line with index: UNQ_C1 wasn’t found in code

2

Hi @Haseeb_Must

Please check this out.

Cheers,
Raymond