Could you try exporting the project from SoapUI Free on Machine B, and then importing it to SoapUI Free on Machine A?
Sorry, somehow I didn't see the last replies in this thread.
Open you xml file with notepad or notepad++ and check what it contains.
If it contains NULL NULL then your XML got corrupted and you need to copy it from Machine B if it contains your project data then you need to dig in why this is happening.
The XML is not corrupted because I'm able to open and run the same project file in SOAPUI free version in a different machine. My issue is same xml file is working in a machine where SOAPUI free version is freshly installed and not working in SOAPUI free version where it was installed by uninstalling ReadyAPI (licenced version).
Have you check your project XML file by opening it in notepad or notepad++ hope you will find the solution there.
HimanshuTayal I checked the xml file opening in the notepad and there is nothing null. Is this you mentioned to check ?
