It says Label Printed but it was not printed.

I am seeing this error all the time, also.

It seems to be a new bug in their system.

It's alarming, because you don't want to print the labels twice, but in my case, it's always been a false alert.

Click Continue, and then you can print the labels.

We just started experiencing this same problem, a whole year later. Wondering if anyone found any solutions to this?

This happens frequently to us as well. Fail safes are implemented for a reason and to have one that is blatantly errant really renders the system untrustworthy. SS really needs to fix this. They really seem to be stumbling all over themselves recently - one team pushing through an update that screws something else up but then they don't fix it. This problem has been going on for over a year now and they still haven't addressed it, even after I brought it up with them in person. Oh well. Hopefully they can get their crap together someday.