Issue Accessing Test Application

Hi, I am trying to use the test application. Here is the error i get…Error retrieving metadata for Model(s) associated with Data Source ‘SkuidSample__OData-Demo’. Please check Models’ properties to ensure they are set correctly. { “response”: { “status”: “Bad Request”, “statusCode”: 400, “headers”: { “cache-control”: “no-cache”, “Content-Type”: “application/json; charset=utf-8”, “Date”: “Tue, 24 Jul 2018 17:12:48 GMT”, “Server”: “nginx”, “Strict-Transport-Security”: “max-age=31536000; includeSubDomains”, “Content-Length”: “136”, “Connection”: “keep-alive” }, “error”: “Error retrieving data source. Check the configuration. Maximum redirections reached”, “body”: { “statusCode”: 502, “error”: “Bad Gateway”, “message”: “Error retrieving data source. Check the configuration. Maximum redirections reached” } } }