At the 3rd checkpoint I get the error message as below. But my work is exactly shows the same details of below step 113. I ran the grader app for 3 times and my score not changing. Can someone advise what's missing?


Sorry you're stuck but there's almost always a pretty easy fix! Do NOT try to start all over again, eg. uninstall Max's Pitch Package, etc. That can make things worse.
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Thank you Dr.Tim. Yes it worked. Thank you.