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WSDL namespace prefix gets modified at page refresh

Hello Experts,

I have found a weird behaviour of SAP PI that I don't understand why it is happening. I'm working on SAP PI 7.4 system and when I refresh the WSDL definition page, the namespace prefix gets changed.

For example, I have generated a service interface with RFC based request and response messages.

Once all the interface is configured (using ICO), I generate the WSDL from Integration Directory. If I open the generated URL in my browser, I can see that the namespace prefix is "ns0":

However, If I refresh the page, the namespace prefix get changed to "rfc":

And If I refresh the page again, it gets changed back to ns0. The namespace prefix keeps oscillating between “rfc” and “ns0” at every page refresh.

Does anybody know why it is this happening?

Regards!

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