Mozilla removed it. This can happen when issues are found during the review of the extension or theme, or the extension or theme has been abusing the terms and conditions for addons.mozilla.org. The developer has the opportunity to resolve the issues and make the add-on available again.
Mozilla ju je uklonila. do ovoga može doći ukoliko su pronađeni problemi prilikom procesa odobravanja dodatka ili teme, ili ukoliko je došlo do kršenja addons.mozilla.org uvjeta. Programer ima mogućnost riješiti problem i ponovno učiniti dodatak dostupnim.