The normalization form %1 is unsupported. The supported forms are %2, %3, %4, and %5, and none, i. e. the empty string (no normalization).
A forma de normalización% 1 non está soportada. As formas soportadas son% 2,% 3,% 4,% 5 e ningunha, i. e. a cadea en branco (sen normalización).