Fatal error: Uncaught SoapFault exception: [soapenv:Server.userException] java.lang.NullPointerException in /home/gr2/public_html/ws/Conexao.php:77 Stack trace: #0 /home/gr2/public_html/ws/Conexao.php(77): SoapClient->__soapCall('consultarDeriva...', Array, Array) #1 /home/gr2/public_html/ws/ws.php(25): Conexao->consultarDerivado('63', '5d8f94598af1b51...') #2 /home/gr2/public_html/produto.php(6): WS->consultarDerivado('63') #3 {main} thrown in /home/gr2/public_html/ws/Conexao.php on line 77