Free Version : Load Test - SOAP Services
Hi Team I am facing something similar issue to https://community.smartbear.com/t5/API-Performance-Testing/The-document-is-not-a-Envelope-error-message/td-p/40070 .As there was no solution posted .S...
Forum Discussion
It would be better to try send the SOAP request,. Once that is successful, then you can try load test.