I am encountering this issue also but only when I import a WSDL into my project. It also seems only to happen when I use the FORM tab to change my payload. I can augment the XML and it works fine, however, if I input anything into the FORM, it changes the payload for that variable from "xs:type" to "xn:type" for the changed variable. You can click the XML and OUTLINE tabs and see the changed variable, however the RAW view appears unchanged. If I run my payload after it gets changed to "xn:type" I get this "xmlns" error. The workaround has been to only change the xml variables and not use the FORM at all. If the FORM is used, the wsdl becomes unusable since we then have to go manually adjust it to correct the issue and that's risky. So we just reimport.
Any help would be greatly appreciated.
