Message Mixer - TypeError: Cannot read property 'split' of undefined

Hi,

Someone knows what’s is causing the below:

TypeError: Cannot read property ‘split’ of undefined

So the argument word is coming in as undefined and therefore you can’t run split() on it.

You can either make sure it doesn’t come in undefined, or have a conditional to return an error message if it is undefined.

nvm, I figured that I just forgot to pass

str
as a parameter in the palindrome function.

Thank you though!

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