Hello @Burhanuddin_Telwala ,
I have reciprocated the same from my end and it’s running fine.
It seems the metadata of your notebook is corrupted for some issues.
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You can fix your metadata by following instructions here - TF1: How to check your notebook's metadata
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You can refresh your lab by following instructions here -TF1: How to Refresh your Workspace in Coursera Labs.
Hope this helps.
Let me know if it doesn’t work still. Also let me know if it works.
With regards,
Nilosree Sengupta