C3 w4 all test passed but all scores are 0/10

I passed all testes but when u submit my assignment it gives me 0/60

Hello @Tahamustapha_Nehdi
For the problem you are facing the below post may give solution. Check this out!!!

thx but i tried all sol provided by this post i created a new notebook but its not resolved

but with new message There was a problem grading your submission. Check stderr for more details.