I seem to have been locked out of this site for the last couple of days, and I posted a message about it on the email list.
I am now again able to access the site.
I can offer no solid explanation for what happened, though at this point I suspect there was some problem with updates to/from my password manager...maybe something was cached that should not have been cached.
Whatever; I am now back into the site and if anyone was going to investigate why I was locked out, it should be unnecessary.