--- broker.original
+++ M06-open
@@ -6438,7 +6438,6 @@
           const t = this.#store.get('SELECT * FROM threads WHERE project=? AND name=?', project, instance);
           if (t && (t.instance !== instance || t.owner !== owner))
             fail(opening ? 'room-thread-name-taken' : 'room-not-open');
-          if (!t && !opening) fail('room-not-open');
           return t ?? { instance, name: instance };
         });
         if (opening) {