[Bug] Anthropic API Error: Tool Use Concurrency Failure

Bug Description
⎿ API Error: 400 due to tool use concurrency issues. Run /rewind to recover the conversation.

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.0.14
• Feedback ID:

Errors

[{"error":"AxiosError: Request failed with status code 403\n    at iM (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:24:1136)\n    at Unzip.<anonymous> (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:29:9845)\n    at Unzip.emit (node:events:530:35)\n    at Unzip.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at A81.request (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:31:2129)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async rLA (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:280:34283)","timestamp":"2025-10-11T08:59:27.305Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.2: `tool_use` ids were found without `tool_result` blocks immediately after: toolu_015WwAGWnrurTaFoMyiEyVnq, toolu_01NWL26LWJKWwoG9F2sfZfDy. Each `tool_use` block must have a corresponding `tool_result` block in the next message.\"},\"request_id\":\"req_011CU18sukfx9FCEnz3RJudy\"}\n    at N4.generate (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:428:21403)\n    at tS.makeStatusError (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:573:2117)\n    at tS.makeRequest (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:573:5330)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async KwQ.yD1.model (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3209:19050)\n    at async yD1 (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2492:39781)\n    at async KwQ (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3209:19204)\n    at async file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3209:13417\n    at async sl0 (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3209:4415)\n    at async wB1 (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3209:13387)","timestamp":"2025-10-11T08:59:39.813Z"},{"error":"AxiosError: Request failed with status code 403\n    at iM (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:24:1136)\n    at Unzip.<anonymous> (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:29:9845)\n    at Unzip.emit (node:events:530:35)\n    at Unzip.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at A81.request (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:31:2129)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async uy6 (file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1148:470)\n    at async Promise.all (index 0)\n    at async file:///Users/beamnawapat/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1134:12743","timestamp":"2025-10-11T09:01:56.536Z"}]