Machine Learning Specializations- C1W2 - Autograder issue

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
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Autograder returns incorrect score despite correct implementation

I am experiencing a persistent autograder issue in the assignment C1W2 Linear Regression.

I have verified that:
My implementations of compute_cost and compute_gradient strictly follow the assignment instructions

I only edited graded cells (UNQ_C1 and UNQ_C2)

I reset the assignment to the latest version

I restarted the kernel and ran all cells before submitting

I cleared cookies and logged in again

Despite this, the autograder consistently returns (0,0) for gradients and 0 cost, which indicates that it is not evaluating the current notebook state.
I believe my assignment state or grader cache may be corrupted.

Although I done all with 91% of the course BUT I can’t finish my assignment to earn certificate and move to next courses. Please help on this. Thank you

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Hi. Can you send me your notebook via direct message? Will check if this is a grader issue. You can click my name then the blue Message button. Thank you!