C1W1 Assignment: TypeError

I am getting this in console when I run my assignment:-
TypeError: Cannot convert undefined or null to object at Function.values

The error seems to come from line 27. Please tell me what’s wrong.

@balaji.ambresh Could you please check this out!

Please click my name and message your assignment as an attachment (zip file).

Please fix the typo to columnConfigs to get your assignment working.