I had to wait ovet 30 sec until browser
displayed the message.
Why ?
What did the failed logout cause ?
Nothing to be worried about ?
A new login
after which logout immediatelly
did work ok:
https://my.opalstack.com/signin/
https://my.opalstack.com/
<-- signout
https://my.opalstack.com/signin/
<-- ready for a new signin