{"record":{"id":"73b093fa80c7defe","repo":"BerriAI/litellm","slug":"invalid-date-format-value-expected-yyyy-mm-d-73b093","errorCode":null,"errorMessage":"Invalid date format: {value}. Expected: 'YYYY-MM-DD'","messagePattern":"Invalid date format: (.+?)\\. Expected: 'YYYY-MM-DD'","errorType":"http","errorClass":"HTTPException","httpStatus":400,"severity":"error","filePath":"litellm/proxy/management_endpoints/tool_management_endpoints.py","lineNumber":213,"sourceCode":"\n    if prisma_client is None:\n        raise HTTPException(status_code=500, detail=CommonProxyErrors.db_not_connected_error.value)\n\n    try:\n        tools: Final = await db_list_tools(prisma_client=prisma_client, input_policy=input_policy)\n        return ToolListResponse(tools=tools, total=len(tools))\n    except Exception as e:\n        verbose_proxy_logger.exception(\"Error listing tools: %s\", e)\n        raise HTTPException(status_code=500, detail=str(e))\n\n\ndef _parse_day_start(value: str | None) -> datetime | None:\n    if not value:\n        return None\n    try:\n        return datetime.strptime(value.strip(), \"%Y-%m-%d\").replace(tzinfo=timezone.utc)\n    except ValueError:\n        raise HTTPException(\n            status_code=400,\n            detail=f\"Invalid date format: {value}. Expected: 'YYYY-MM-DD'\",\n        )\n\n\nclass _ToolSpendSums(BaseModel):\n    spend: float = 0.0\n    total_tokens: int = 0\n    request_count: int = 0\n\n\nclass _TopToolRow(BaseModel):\n    tool_name: str\n    sums: _ToolSpendSums = Field(alias=\"_sum\")\n\n\n_TOP_TOOL_ROWS: Final = TypeAdapter(list[_TopToolRow])\n","sourceCodeStart":195,"sourceCodeEnd":231,"githubUrl":"https://github.com/BerriAI/litellm/blob/77b7c6c40c0c5aa5fbcb1d6a1825ac39ca8829b8/litellm/proxy/management_endpoints/tool_management_endpoints.py#L195-L231","documentation":"Error \"Invalid date format: {value}. Expected: 'YYYY-MM-DD'\" thrown in BerriAI/litellm.","triggerScenarios":"Thrown at litellm/proxy/management_endpoints/tool_management_endpoints.py:213 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Pass dates in 'YYYY-MM-DD' format."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"77b7c6c40c0c5aa5fbcb1d6a1825ac39ca8829b8","analyzedAt":"2026-08-18T11:44:31.656Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}