Week 1: Not getting correct grade for Get corrections function

I have passed all the test cases but in submission, it is giving 0 as the grade out of 10. Can trainer help me on this? While checking details, I am getting the following error:

‘There was a problem grading your submission. Check stderr for more details.’

My Lab ID is :ewtjxdtuxfjw


You’ve read some of these, right?

https://community.deeplearning.ai/search?q=Stderr