Ok, hear me out on this one.
Sometimes the best cure for mistakes is… time off! Mistakes can easily look like carelessness when they’re actually burnout.
And a struggling team member (understandably and wisely) isn’t always going to suggest this.
A few signals that PTO might help to improve quality:
These mistakes are surprising from typically reliable team members
Your team member is a lot more upset about the errors than you are
Their workload hasn’t changed but something in their life may have