URL to call the Integration Server is missing on the sender system

Dears,

We have installed PI 7.1(ABAP+JAVA) server with Oracle on AIX.

In post configuration I have only performed only *Netweaver Inital set up*

Now my developer when start working,In tcode sxmb_admin->monitor Processed XML messages->

They are getting error:

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>

- <!-- Call Integration Server

-->

- http://sap.com/xi/XI/Message/30" xmlns:SOAP=" http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">

<SAP:Category>XIServer</SAP:Category>

<SAP:Code area="INTERNAL">INTEGRATION_SERVER_URL_MISSING</SAP:Code>

<SAP:P1 />

<SAP:P2 />

<SAP:P3 />

<SAP:P4 />

<SAP:AdditionalText />

<SAP:Stack>URL to call the Integration Server is missing on the sender system</SAP:Stack>

<SAP:Retry>M</SAP:Retry>

</SAP:Error>

Please suggest how can I solve this issue and also confirm if there is anything in configuration that is mandotry in PI 7.1

Shivam