"Couldn't get any info from your file" cryptotrader.tax

Hi all, am wondering if anyone else has had a similar issue. 

 

I used cryptotrader.tax AKA CoinLedger to create a CSV for upload into Turbotax. 

I made sure to download the "Turbotax Online" CSV and am using Turbotax online (not downloaded onto my laptop)

 

I keep getting the error message:

"We tried, but couldn’t get any info from your file

Sorry, we weren't able to upload your CSV file. Please try again." (screenshot included)
 
I have contacted cryptotrader.tax about this issue and they claim no one else has had the same problem. 
I have looked through this forum but it deals with extra prompts after having already successfully uploading a csv: https://ttlc.intuit.com/community/taxes/discussion/cryptotrader-tax-imports-fail-any-idea-why/00/247....
 
Appreciate y'alls help.
 
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