Http failure response for (unknown URL): 0 Unknown Error

Having more than 20 printers marked as favorites in the Printix App may result in the Error message: Http failure response for (unknown URL): 0 Unknown Error.

Resolution: Update to Printix App version 2.0.14 or open the Printers page and reduce the number of favorite printers by selecting the Solid star to remove printers from the list of favorites.