codeigniter without using any database

[eluser]MV[/eluser]
Sorry to return, but if i locad the following model on my simple controller, i get that database error and it doesnt have any database handling in it. its freaking me out. :-P

class Murl_catchall extends Model {
function Murl_catchall(){
parent::Model();
}

function get_page(){

$caminho = substr($this->uri->uri_string(),4);

$dados = $caminho;

return $dados;

}

function lang_urls($lingua){

$dados = array();
$dados['muda_pt'] = base_url()."pt/".substr($this->uri->uri_string(),4);
$dados['muda_en'] = base_url()."en/".substr($this->uri->uri_string(),4);
$dados['muda_es'] = base_url()."es/".substr($this->uri->uri_string(),4);

return $dados;

}


}