super cache disables www > https redirect

ok, super cache is my favorite caching plugin, I’ve used it forever. My domain is locked to https. normally wordpress redirects from www to https perfectly, and it has done so in the past with super cache on. now it doesn’t work, I get a database error.
PID=29447
wp-db.php/ on line 1879

The page I need help with: [log in to see the link]