When importing bills, I am getting an error message that the bill numbers don't exist in the chart of accounts when the data isn't under the account column.

Hi there, 

Thanks for contacting us. I'd be happy to help with the error message you're getting.

I want to make sure I'm on the same page as you. Could you walk me through step by step on how you've importing the bills? I encourage you to check out this article from our Community https://quickbooks.intuit.com/community/Help-Articles/Importing-Your-Bills/m-p/261324. The article will share more info on importing bills to your account. Feel free to ask questions. 

Importing bills is not available in the USA