If you can't edit any collections in the Raw tab in SaveEdit, you probably don't <br />
have the full .NET Framework 4 installed, but have the Client Profile installed.<br />
<br />
To fix this, install the full .NET Framework 4.<br />
<br />
http://www.microsoft.com/download/en/details.aspx?id=17851
Gibbeds Mass Effect 3 Save Editor 04/06/2016
Gibbeds Mass Effect 3 Save Editor