Thank you. That didn't work, "Settings" was not listed anywhere on the left (or anywhere else). But when I went directly to URL opera://password-manager/settings by typing it into the address bar, it did. Thanks.
A new version of the opera was released on January 4, 105.0.4970.74. I deleted the old one and installed this one, everything worked. Guys, if you are tracking the group, I recommend restarting it. I don't know what they changed, but now everything works.