{"record":{"id":"570c954447c55f2b","repo":"mem0ai/mem0","slug":"extra-fields-not-allowed-join-extra-fields-570c95","errorCode":null,"errorMessage":"Extra fields not allowed: {', '.join(extra_fields)}. Please provide only the following fields: {', '.join(allowed_fields)}.","messagePattern":"Extra fields not allowed: (.+?)\\. Please provide only the following fields: (.+?)\\.","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"mem0/configs/vector_stores/mongodb.py","lineNumber":21,"sourceCode":"from pydantic import BaseModel, ConfigDict, Field, model_validator\n\n\nclass MongoDBConfig(BaseModel):\n    \"\"\"Configuration for MongoDB vector database.\"\"\"\n\n    db_name: str = Field(\"mem0_db\", description=\"Name of the MongoDB database\")\n    collection_name: str = Field(\"mem0\", description=\"Name of the MongoDB collection\")\n    embedding_model_dims: Optional[int] = Field(1536, description=\"Dimensions of the embedding vectors\")\n    mongo_uri: str = Field(\"mongodb://localhost:27017\", description=\"MongoDB URI. Default is mongodb://localhost:27017\")\n\n    @model_validator(mode=\"before\")\n    @classmethod\n    def validate_extra_fields(cls, values: Dict[str, Any]) -> Dict[str, Any]:\n        allowed_fields = set(cls.model_fields.keys())\n        input_fields = set(values.keys())\n        extra_fields = input_fields - allowed_fields\n        if extra_fields:\n            raise ValueError(\n                f\"Extra fields not allowed: {', '.join(extra_fields)}. \"\n                f\"Please provide only the following fields: {', '.join(allowed_fields)}.\"\n            )\n        return values\n\n    model_config = ConfigDict(arbitrary_types_allowed=False)\n","sourceCodeStart":3,"sourceCodeEnd":28,"githubUrl":"https://github.com/mem0ai/mem0/blob/001c235229be8795e3834520467bd0d661ed8f34/mem0/configs/vector_stores/mongodb.py#L3-L28","documentation":"Error \"Extra fields not allowed: {', '.join(extra_fields)}. Please provide only the following fields: {', '.join(allowed_fields)}.\" thrown in mem0ai/mem0.","triggerScenarios":"Thrown at mem0/configs/vector_stores/mongodb.py:21 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Remove the extra config fields listed and keep only the allowed MongoDB fields (db_name, collection_name, user, password, host, port)."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"001c235229be8795e3834520467bd0d661ed8f34","analyzedAt":"2026-08-15T01:55:42.685Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}