{"record":{"id":"53b8acf4cb657e1a","repo":"tinyhumansai/openhuman","slug":"invalid-arguments-for-memory-tree-fetch-leaves-e","errorCode":null,"errorMessage":"invalid arguments for memory_tree_fetch_leaves: {e}","messagePattern":"invalid arguments for memory_tree_fetch_leaves: (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/openhuman/memory/query/fetch_leaves.rs","lineNumber":43,"sourceCode":"    }\n\n    fn parameters_schema(&self) -> serde_json::Value {\n        json!({\n            \"type\": \"object\",\n            \"properties\": {\n                \"chunk_ids\": {\n                    \"type\": \"array\",\n                    \"items\": {\"type\": \"string\"},\n                    \"description\": \"Chunk ids to hydrate. Capped at 20 per call.\"\n                }\n            },\n            \"required\": [\"chunk_ids\"]\n        })\n    }\n\n    async fn execute(&self, args: serde_json::Value) -> anyhow::Result<ToolResult> {\n        let req: FetchLeavesRequest = serde_json::from_value(args)\n            .map_err(|e| anyhow::anyhow!(\"invalid arguments for memory_tree_fetch_leaves: {e}\"))?;\n        log::debug!(\n            \"[rpc][memory_tree] fetch_leaves invoked requested_ids={}\",\n            req.chunk_ids.len()\n        );\n        let take = req.chunk_ids.len().min(MAX_CHUNK_IDS_PER_CALL);\n        if req.chunk_ids.len() > MAX_CHUNK_IDS_PER_CALL {\n            log::debug!(\n                \"[rpc][memory_tree] fetch_leaves truncating requested_ids={} truncated_to={}\",\n                req.chunk_ids.len(),\n                MAX_CHUNK_IDS_PER_CALL\n            );\n        }\n        let hits = backend::fetch_leaves(&req.chunk_ids[..take]).await?;\n        log::debug!(\n            \"[rpc][memory_tree] fetch_leaves completed hits={}\",\n            hits.len()\n        );\n        let json = serde_json::to_string(&hits)?;","sourceCodeStart":25,"sourceCodeEnd":61,"githubUrl":"https://github.com/tinyhumansai/openhuman/blob/749120085864ce16e0f273c7b86fac7740b39c5b/src/openhuman/memory/query/fetch_leaves.rs#L25-L61","documentation":"Deserializing fetch_leaves args into FetchLeavesRequest failed — chunk_ids missing, not an array, or entries not strings. The schema caps the list at 20 ids; parsing errors surface before the cap is applied.","triggerScenarios":"Thrown at src/openhuman/memory/query/fetch_leaves.rs:43 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Pass chunk_ids as an array of chunk-id strings from a prior search","Check for malformed JSON or wrong field types","Keep the list within the 20-id cap"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"749120085864ce16e0f273c7b86fac7740b39c5b","analyzedAt":"2026-08-17T21:21:45.363Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}