Error: Extra content at the end of the document

Good afternoon I'm using laravel 5.6, and I'm trying to consume a SOAP-like webservice (wsdl), but when I try to consume it, he replies:

SOAP-ERROR: Parsing WSDL: Couldn't load from 
http://www.loswebservice.com.bo:5000/WebServicesConsulta/ConsultaDatosTec.jws' :   Extra content at the end of the document

The webservice address works correctly with the tests performed with SOAPUI and my controller has it defined as follows:

    <?php

    namespace App\Http\Controllers;

    use Illuminate\Http\Request;
    use SoapClient;


    class WebServiceController extends Controller
    {
       public $Login="WSCONSULTAPRUEBA";
       public $Clave="WPSUKGSGWDYSF9F";
       public function getConsultaDatosTec($identificador){

  $wsdl='http://www.loswebservice.com.bo:5000/WebServicesConsulta/ConsultaDatosTec.jws';

      ini_set('soap.wsdl_cache', '3');
      $client = new SoapClient($wsdl);
      $datos_genericos=array(
            "login"=>$this->Login,
            "clave"=>$this->Clave,
            "identificador"=>$identificador,
      );

        $datos_genericos = json_encode($datos_genericos);

        $params = array('pStrPDatosSolicitud'=> $datos_genericos);
        $result = $client->__SoapCall('getConsultaDatosTecPol',array($params));

        $resultado = json_decode($result->getConsultaDatosTecPolResult->Campo1);

        return $resultado;
    }
   }

What could be the error ???