Could not convert filters: Organization

Server returns 500 Internal server error: Could not convert filters. Add support for organization to AccessionFilter.

Steps:

1. Go to the "https://sandbox.genesys-pgr.org";
2. Click on the CGIAR link;
3. Click on the OVERVIEW button;

Expected result: Statistical overview page is opened.

Actual result: 500 - Internal Server Error. See attached screen:

The same issue with the BROWSE ACCESSIONS button**