It is not possible to add a new Catalog with Trac 0.11. If i try to add a Catalog, the TC wiki page is updated with the new string, but no new Catalog wiki page is created. If i add another Catalog, the Catalog added before is always overwritten. I attached a screenshot (error1.png). The catalog is not clickable or anything else. The wiki index contains only the TC wiki page and no other TC related wiki pages. The database has some entries in testcatalog. All entries have a different id, but always the same page_name (always TC). All other plugin tables seems to be empty.
