Eurostat validation - invalid observations periods
Example of validation error (formatted in JSON):
{
"context": { "period": "LTAA" },
"dataset_code": "env_wat_res",
"error_code": "invalid-observation-period-format",
"line_number": 2,
"location": "env_wat_res/series.jsonl",
"message": "Period format is invalid",
"provider_code": "Eurostat",
"series_code": "A.AQUI.BE.M3_HAB"
}