I have a library in SP 2010 site and the library has a folder. The library has versioning enabled. I have a .msg file in this folder of the library. It has 2 versions (visible in UI). I am trying to get the versions using Versions.asmx in a Console App,
using GetVersions method. When I passed the relative path of the file to this method and invoked it, I got an error "Value cannot be null. Parameter name:key." I don't know what is wrong. Can anyone please help?
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