Okay. Did some searching on google.
RVA = relative virtual address and NON NULL means it was called with some invalid memory location.
Looking farther, I find this post on issues with SSMS when a DLL goes bad.
Do you have another machine to try the connection. If it works on that machine, there is something wrong with you machine.
Check the hard disk (check disk).
Optionally re-install SSMS to fix the issue. The user in this post did a nuke and load of the laptop.