Data Shuttle - Complete trash today

Data Shuttle is being complete trash today and this week, mostly. My SmartSheet notifications all day long have been mostly "Something went wrong with your Data Shuttle workflow." and when I go to look almost all of my workflows have failed with "Workflow Execute: Unexpected Erorr (ExtAuthN)".
These are workflows that work and have been set up for a year or more. For the last 6 months I've been getting these messages a few times daily. This last week has been about 20 times daily.
You really need to fix the product our company is paying for.
Comments
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I am 2.5 hours into my shift today and already I've had 5 notifications that Data Shuttle workflows failed to run.
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I am 4 hours into my shift and up to 10 failures so far today. Data Shuttle is having a bad day today, again.