SOAP UI error - Session not found

Hello ,
I am using the SOAPUI to try RetrieveMultiple to retrieve the workorders, I am getting following error.
Can you please review and advise? I have the soap action set to http://corrigo.com/integration/RetrieveMultiple with the wsdl.

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<soap:Body>
<soap:Fault>
soap:Client
System.Web.Services.Protocols.SoapException: Session not found. Use LogInCompany command for create a new session.
at Corrigo.Web.Services.CorrigoService.Core.ServiceExecutionContext.SoapExceptionBlock(Action action) in C:\TFS-Agent_work\3\s\Source\BusinessObjects\Corrigo.BO.CorrigoService\Core\ServiceExecutionContext.cs:line 284
at Corrigo.Web.Services.CorrigoService.Core.ServiceExecutionContext.Initialize(IServiceSession session, CorrigoNetOptions options) in C:\TFS-Agent_work\3\s\Source\BusinessObjects\Corrigo.BO.CorrigoService\Core\ServiceExecutionContext.cs:line 40
at Integration.CorrigoService.Initialize() in C:\TFS-Agent_work\3\s\Source\Web\Services\Integration\CorrigoService.asmx.cs:line 238
at Integration.CorrigoService.RetrieveMultiple(QueryBase queryExpression) in C:\TFS-Agent_work\3\s\Source\Web\Services\Integration\CorrigoService.asmx.cs:line 0
http://am-ce96e.corrigo.com/wsdk/CorrigoService.asmx

</soap:Fault>
</soap:Body>
</soap:Envelope>