C2_Week4 Final Lab All Test Passed but Graded 0 and failed

My All test showing passed and code is running smoothly but while checking for grated showing 0 and failed . How to resolve this issue ???

Hi @Muhammad_Nauman1

If you have submitted your assignment and the grader report showing errors, please attach the error report to help local what the problem might be.

yes i try aganin and again then grader showing error that comment line # UNQ_C4

GRADED FUNCTION: get_best_split & # UNQ_C3 is missing i add back into the code then subbmit it to again then successfuly pass my final exam