{"record":{"id":"947b7857a2abe3dd","repo":"OpenBB-finance/OpenBB","slug":"no-data-found-in-the-response-url-url","errorCode":null,"errorMessage":"No data found in the response. URL: {url}","messagePattern":"No data found in the response\\. URL: (.+?)","errorType":"exception","errorClass":"OpenBBError","httpStatus":null,"severity":"warning","filePath":"openbb_platform/providers/imf/openbb_imf/utils/query_builder.py","lineNumber":392,"sourceCode":"            raise OpenBBError(f\"Failed to parse XML response: {url} -> {e}\") from e\n\n        # Define namespaces used in IMF SDMX responses\n        namespaces = {\n            \"message\": \"http://www.sdmx.org/resources/sdmxml/schemas/v3_0/message\",\n            \"ss\": \"http://www.sdmx.org/resources/sdmxml/schemas/v3_0/data/structurespecific\",\n            \"common\": \"http://www.sdmx.org/resources/sdmxml/schemas/v3_0/common\",\n        }\n\n        # Find all Series elements\n        dataset = root.find(\".//message:DataSet\", namespaces)\n        if dataset is None:\n            # Try without namespace prefix\n            dataset = root.find(\".//DataSet\")\n        if dataset is None:\n            # Try with ss namespace\n            dataset = root.find(\".//ss:DataSet\", namespaces)\n        if dataset is None:\n            raise OpenBBError(\n                EmptyDataError(f\"No data found in the response. URL: {url}\")\n            )\n\n        # Parse Group elements to extract group-level attributes (UNIT, ACCOUNTING_ENTRY, etc.)\n        # Group structure: <Group INDICATOR=\"...\" ns1:type=\"GROUP_INDICATOR\">\n        #                    <Comp id=\"UNIT\"><Value>USD</Value></Comp>\n        #                    <Comp id=\"ACCOUNTING_ENTRY\"><Value>NETLA</Value></Comp>\n        #                  </Group>\n        group_attributes: dict[str, dict[str, str]] = {}\n\n        # Find all Group elements - they can have namespace prefix\n        for group in dataset.findall(\"Group\") + dataset.findall(\"ss:Group\", namespaces):\n            # The group key is typically the INDICATOR code or similar dimension\n            group_key = None\n            for attr_name, attr_value in group.attrib.items():\n                # Skip namespace type attributes like ns1:type\n                if \"type\" in attr_name.lower() and \"group\" in attr_value.lower():\n                    continue","sourceCodeStart":374,"sourceCodeEnd":410,"githubUrl":"https://github.com/OpenBB-finance/OpenBB/blob/3e071fcc2cd9f891cac6040ae60296dba76dab46/openbb_platform/providers/imf/openbb_imf/utils/query_builder.py#L374-L410","documentation":"fetch_data located the XML root but no DataSet element under any of the known SDMX 3.0 namespaces (message:, ss:, or unprefixed). This usually means the response is an SDMX error or structure-only message rather than a data message, so the library raises an EmptyDataError-wrapped OpenBBError.","triggerScenarios":"Querying a valid-but-empty series combination (server returns an empty or error DataMessage), or requesting metadata the API answers with a generic structure payload.","commonSituations":"Dimension combinations the constraints API tolerates but that carry no observations, retired series within live dataflows, or 200-OK responses containing an SDMX Error message.","solutions":["Open the URL in a browser and read the message: SDMX <Error> elements state the reason (e.g. no results for key).","Relax the query: drop a dimension filter or use the wildcard '*' so more series match.","Verify each dimension value against the dataflow's codelists (see error 629 workflow).","Treat as empty data, not a hard failure, if your pipeline tolerates gaps."],"exampleFix":"# before\nurl = qb.build_url('DF', REF_AREA='USA', INDICATOR='VERY_SPECIFIC')  # empty DataSet\n\n# after\nurl = qb.build_url('DF', REF_AREA='USA', INDICATOR='*')  # widen, then filter client-side","handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":"try:\n    df = qb.fetch_data(url)\nexcept OpenBBError as e:\n    if 'No data found in the response' in str(e):\n        wider = widen_url_key(url)  # replace a dimension segment with '*'\n        df = qb.fetch_data(wider)\n    else:\n        raise","preventionTips":["Treat 'no DataSet' as empty data, not a crash, in ETL pipelines.","Prefer wildcarded keys plus client-side filtering over hyper-specific SDMX keys.","Open the URL directly to read the SDMX error message when it persists."],"tags":["imf","sdmx","empty-data","xml","no-results"],"backgroundTag":null,"analyzedSha":"3e071fcc2cd9f891cac6040ae60296dba76dab46","analyzedAt":"2026-08-14T23:40:48.960Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}