Cannot display the rest of the fields in a grid

Hi everyone, 

I currently have a grid that only displays one out of six columns. I recently added the last five out of six column fields, but for some reason, none of the new fields are displaying. Does anyone have an idea of what I'm doing wrong? 

 

Unfortunately, I was passed down this code from someone else and am a newbie to Appian, so the code is pretty large. If anyone can direct me to what the specific piece of code entails that I should show you all to help debug, that'd be great too. 

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