Thanks for the feedback. Please try the following and let me know if this resolves your issue.

1) Launch MS VSS or BIDS. Select File -> New -> File

2) Select XML File.

3) Paste the contents into the editor.

4) Save the file as Who.rdl in the following location: My Documents\SQL Server Management Studio\Custom Reports.

5) Connect to a database engine via the Management Studio UI, right-click the server name and select the custom reports option.

6) Select the Who.rdl file