I'm getting this error message: "Mysql_fetch_array supplied argument is not a valid MYSQL result" but I don't know whats wrong with the code
$sql = "SELECT *, status_pedido.nome as descricao_status,frete.nome as nome_frete, historico.data as data_hist, DATE_FORMAT(historico.`data`,'%d/%m/%Y') as data, DATE_FORMAT(historico.`data`,'%H:%i:%s ') as hora
FROM midiosto_db.`l-pedidos` as pedido
INNER JOIN midiosto_db.`l-pedido-historico` as historico
ON pedido.id = historico.`id-pedido`
INNER JOIN midiosto_db.`l-status` as status_pedido
ON status_pedido.id = historico.`id-status`
INNER JOIN midiosto_db.`l-frete` as frete
On frete.id = pedido.`id-frete`
WHERE pedido.id = ".$_GET["id_pedido"]."
ORDER BY data_hist DESC";
$query_historico = mysql_query($sql);
$row_historico = mysql_fetch_array($query_historico);