{"record":{"id":"9a0d2df6d97c61e2","repo":"OpenBB-finance/OpenBB","slug":"key-is-a-required-field-missing-for-series-group","errorCode":null,"errorMessage":"{key} is a required field missing for series_group.","messagePattern":"(.+?) is a required field missing for series_group\\.","errorType":"validation","errorClass":"OpenBBError","httpStatus":null,"severity":"error","filePath":"openbb_platform/providers/fred/openbb_fred/models/regional.py","lineNumber":164,"sourceCode":"        \\n    pca = Compounded Annual Rate of Change\n        \\n    cch = Continuously Compounded Rate of Change\n        \\n    cca = Continuously Compounded Annual Rate of Change\n        \\n    log = Natural Log\n        \"\"\",\n        json_schema_extra={\n            \"choices\": [\"chg\", \"ch1\", \"pch\", \"pc1\", \"pca\", \"cch\", \"cca\", \"log\"]\n        },\n    )\n\n    @model_validator(mode=\"before\")\n    @classmethod\n    def transform_validate(cls, values):\n        \"\"\"Add default start date.\"\"\"\n        if values.get(\"is_series_group\") is True:\n            required = [\"frequency\", \"region_type\", \"units\"]\n            for key in required:\n                if values.get(key) is None:\n                    raise OpenBBError(\n                        f\"{key} is a required field missing for series_group.\"\n                    )\n\n            values[\"start_date\"] = (\n                \"1900-01-01\"\n                if values.get(\"start_date\") is None\n                else values.get(\"start_date\")\n            )\n        if values.get(\"is_series_group\") is False:\n            values[\"start_date\"] = (\n                None if values.get(\"start_date\") is None else values.get(\"start_date\")\n            )\n        return values\n\n\nclass FredRegionalData(SeriesData):\n    \"\"\"FRED Regional Data.\"\"\"\n","sourceCodeStart":146,"sourceCodeEnd":182,"githubUrl":"https://github.com/OpenBB-finance/OpenBB/blob/3e071fcc2cd9f891cac6040ae60296dba76dab46/openbb_platform/providers/fred/openbb_fred/models/regional.py#L146-L182","documentation":"Error \"{key} is a required field missing for series_group.\" thrown in OpenBB-finance/OpenBB.","triggerScenarios":"Thrown at openbb_platform/providers/fred/openbb_fred/models/regional.py:164 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Provide the missing required field(s) for series_group as indicated in the message.","Consult the endpoint documentation for the required series_group keys."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"3e071fcc2cd9f891cac6040ae60296dba76dab46","analyzedAt":"2026-08-14T23:40:48.960Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}