What does errorCode PLM0001 mean?

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
<soapenv:Body>
<soapenv:Fault>
<faultcode>soapenv:Server</faultcode>
<faultstring>PlanAutoLoadFault</faultstring>
<detail>
<ns6:UploadPlanFault xmlns:ns2="http://sanlam.co.za/common/fault/dto/1" xmlns:ns3="http://sanlam.co.za/common/interactioncontext/dto/1" xmlns:ns4="http://sanlam.co.za/common/message/dto/1" xmlns:ns5="http://sanlam.co.za/common/datacontext/dto/1" xmlns:ns6="http://sanlam.co.za/epsilon/planmanagement/service/planautoloadmanagement/dto/1" xmlns:ns7="http://sanlam.co.za/epsilon/planmanagement/service/planautoloadmanagement/intf/1" xmlns:ns8="http://sanlam.co.za/common/notification/dto/1">
<ns2:timeStamp>2016-11-18T11:27:19.020+02:00</ns2:timeStamp>
<ns2:errorCode>PLM0001</ns2:errorCode>
<ns2:message>Business exception has occurred. Get exception details from Exception notification list.</ns2:message>
<ns2:originator>EpsilonPlanManagementComponent</ns2:originator>
<ns2:FaultNotificationList>
<ns2:FaultNotification>
<ns2:code>PLM0325</ns2:code>
<ns2:message>Client does not exist.</ns2:message>
<ns2:type>Error</ns2:type>
</ns2:FaultNotification>
</ns2:FaultNotificationList>
</ns6:UploadPlanFault>
</detail>
</soapenv:Fault>
</soapenv:Body>
</soapenv:Envelope>