Bad request

For request 'GET /portal/imoveis/default.aspx?n=61,11,14,16,17,18,32,33&nqi=4&nqx=4&dd=06&cc=05&ff=&zona=&tit=4&title=moradias-t4-para-venda&idioma=pt' [Cannot parse parameter id as Long: For input string: "default.aspx"]