Request failed with status code 500 when user try to apply "Not specified" crops on the "/datasets/overview" page
Steps:
- Go to "https://sandbox.genesys-pgr.org/datasets/overview";
- Click on the "Not specified" from the "Crop" block';
Expected result: "Data not provided: crop" filter label appears and filter is applied;
Actual result: Error message "Request failed with status code 500" appears;