Trigger Word Detection grader error

I have completed the assignment and passed all the tests. but getting the following issue on submission
Cell #29. Can’t compile the student’s code. Error: NameError(“name ‘X’ is not defined”)

please help.

Hi @Rajni_Sethi,

Did you add extra code in your notebook ?

Best,
Mubsi

hi @Mubsi

No I did not add any extra code

Hi @Rajni_Sethi,

Let me DM you regarding this.

I have the same issue please help.