{ "message": "invalid json response body at https://unesco-wide-staging.herokuapp.com/indicators/higher_1822/countries/ukraine.json reason: Unexpected token < in JSON at position 0", "path": [ "indicator" ], "extensions": { "code": "INTERNAL_SERVER_ERROR", "exception": { "message": "invalid json response body at https://unesco-wide-staging.herokuapp.com/indicators/higher_1822/countries/ukraine.json reason: Unexpected token < in JSON at position 0", "type": "invalid-json" } } }