This morning on Platform Version 18.104.22.168 Hubitat Package Manager flagged available updates as is often the case. In checking for updates, it found an update for webCoRE 1.0.75
It proceeds to the next screen normally.
However, when I attempt to proceed from there.
I have logged out of the hub and back in and tried HPM again and the error is the same. Since HPM worked prior to 2.3.103, it may be that the error is specific to this update.