{"record":{"id":"7458638e8ec3cc27","repo":"HKUDS/Vibe-Trading","slug":"entity-id-is-required-and-cannot-be-empty-745863","errorCode":null,"errorMessage":"entity_id is required and cannot be empty","messagePattern":"entity_id is required and cannot be empty","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"agent/src/entities/models.py","lineNumber":167,"sourceCode":"        domicile: Country or jurisdiction code, free-form and optional.\n        parent_id: ``entity_id`` of the parent entity, when part of a group.\n    \"\"\"\n\n    entity_id: str\n    name: str = \"\"\n    entity_type: EntityType = EntityType.ISSUER\n    domicile: str = \"\"\n    parent_id: str | None = None\n\n    def __post_init__(self) -> None:\n        \"\"\"Validate identifiers and coerce ``entity_type`` to its enum member.\n\n        Raises:\n            ValueError: If ``entity_id`` is blank or ``entity_type`` is unknown.\n        \"\"\"\n        cleaned = self.entity_id.strip() if isinstance(self.entity_id, str) else \"\"\n        if not cleaned:\n            raise ValueError(\"entity_id is required and cannot be empty\")\n        object.__setattr__(self, \"entity_id\", cleaned)\n        object.__setattr__(self, \"name\", self.name.strip() if self.name else \"\")\n        try:\n            object.__setattr__(self, \"entity_type\", EntityType(self.entity_type))\n        except ValueError as exc:\n            valid = \", \".join(member.value for member in EntityType)\n            raise ValueError(\n                f\"unknown entity_type {self.entity_type!r}; expected one of: {valid}\"\n            ) from exc\n        if self.parent_id is not None and self.parent_id == self.entity_id:\n            raise ValueError(f\"entity {self.entity_id!r} cannot be its own parent\")\n\n\n@dataclass(frozen=True)\nclass Instrument:\n    \"\"\"Base class for anything that can be held and analysed.\n\n    Subclasses add asset-class specifics; they may only add fields *with*","sourceCodeStart":149,"sourceCodeEnd":185,"githubUrl":"https://github.com/HKUDS/Vibe-Trading/blob/80ffdda44c5c4db0dd84d70e051cca591cea67df/agent/src/entities/models.py#L149-L185","documentation":"The frozen entity dataclass's __post_init__ strips entity_id and rejects blank values — every entity must have a non-empty identifier.","triggerScenarios":"Constructing an entity model (Entity/EntityRate etc.) with entity_id='' or whitespace-only, or a non-str value that fails the strip guard.","commonSituations":"CSV rows with missing ID columns, None from JSON coerced via str(), or duplicate-header exports shifting columns.","solutions":["Ensure the identifier field is populated before construction; skip blank-ID rows","Validate the source column exists and rows aren't shifted (check delimiter/headers)","Generate a fallback ID (e.g. slugified name) when the source lacks one"],"exampleFix":"# before\nEntity(entity_id=row['id'], name=row['name'], ...)\n# after\nif not (row['id'] or '').strip(): continue\nEntity(entity_id=row['id'], name=row['name'], ...)","handlingStrategy":"validation","validationCode":"eid = (raw_id or '').strip()\nif not eid: eid = slugify(name)  # or skip row","typeGuard":"def has_entity_id(v) -> bool: return isinstance(v, str) and bool(v.strip())","tryCatchPattern":"except ValueError as e:\n    if 'entity_id' in str(e): repair/skip the record","preventionTips":["Make ID columns required in source validation","Generate stable fallback IDs from names"],"tags":["validation","entity","empty-value","models"],"backgroundTag":"missing-required-field","analyzedSha":"80ffdda44c5c4db0dd84d70e051cca591cea67df","analyzedAt":"2026-08-28T12:46:38.989Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}