Notice: Undefined variable: category in /home/clinics/www/listado_noticias.php on line 17

Notice: Undefined variable: category in /home/clinics/www/listado_noticias.php on line 18
Se ha producido un error en la base de datos: Unknown column 't.select_categorias_noticias' in 'where clause' [SELECT COUNT(*) FROM noticias t LEFT JOIN noticias_content tc ON (t.id=tc.id AND tc.idioma='es') WHERE tc.text_titulo != '' AND t.text_fecha <= CURDATE() AND t.checkbox_visible='1' AND t.select_categorias_noticias = '0']