Here's the contract.
I added the libraries in manually. I followed the hierarchy of libraries. I've spent hours on this, tried ~every permutation except the one I can't seem to see, if it exists. Please help.
I don't understand this reference, but if the comment is suggesting that I should've automated verification, I am aware. The issue is flattening the code for verification on Etherscan, not importing them into my app.
I think that comment was just spam. Sorry.
Have you seen our guide for verification?