Using the new profile creation wizard.
Double-clicking the final button "Proceed to Create New Profile" causes two profiles to be created with consecutive IDs and identical text.
I did this by accident 3 times in the last 12 hours before figuring out what was going on; and can reproduce it reliably now.
Ideally the server should detect this and just make one profile and go to editing that profile; although even an error message would be better than the double create.