[Bug] Anthropic API Error: Unhandled Exception During Code Generation

Resolved 💬 3 comments Opened Sep 11, 2025 by ghost Closed Sep 15, 2025

Bug Description
/var/folders/d_/5zlgnkrn4b7bmtw5lmcksdw40000gn/T/TemporaryItems/NSIRD_screencaptureui_ylxhYF/Screenshot\ 2025-09-11\ at\ 7.58.18 AM.png

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 1.0.110
  • Feedback ID: d91b3cb1-09be-4117-8fdd-1f27775c2489

Errors

[{"error":"RangeError [ERR_CHILD_PROCESS_STDIO_MAXBUFFER]: stdout maxBuffer length exceeded\n    at Socket.onChildStdout (node:child_process:484:14)\n    at Socket.emit (node:events:508:28)\n    at Socket.emit (node:domain:489:12)\n    at addChunk (node:internal/streams/readable:559:12)\n    at readableAddChunkPushByteMode (node:internal/streams/readable:510:3)\n    at Readable.push (node:internal/streams/readable:390:5)\n    at Pipe.onStreamRead (node:internal/stream_base_commons:189:23)","timestamp":"2025-09-10T19:31:05.713Z"},{"error":"Error: Agent file /Users/matthewscott/.claude/agents/AGENT_ONBOARDING.md is missing required 'name' in frontmatter\n    at QN5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:9275)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7749\n    at Array.map (<anonymous>)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7679\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Promise.all (index 2)\n    at async ky0.<anonymous> (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3671:1355)\n    at async ky0.parseAsync (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:704:4184)\n    at async pm5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3701:1293)\n    at async dm5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3661:1151)","timestamp":"2025-09-10T19:31:06.176Z"},{"error":"Error: Agent file /Users/matthewscott/.claude/agents/QUICK_START.md is missing required 'name' in frontmatter\n    at QN5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:9275)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7749\n    at Array.map (<anonymous>)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7679\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Promise.all (index 2)\n    at async ky0.<anonymous> (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3671:1355)\n    at async ky0.parseAsync (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:704:4184)\n    at async pm5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3701:1293)\n    at async dm5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3661:1151)","timestamp":"2025-09-10T19:31:06.176Z"},{"error":"Error: Agent file /Users/matthewscott/.claude/agents/README.md is missing required 'name' in frontmatter\n    at QN5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:9275)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7749\n    at Array.map (<anonymous>)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7679\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Promise.all (index 2)\n    at async ky0.<anonymous> (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3671:1355)\n    at async ky0.parseAsync (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:704:4184)\n    at async pm5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3701:1293)\n    at async dm5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3661:1151)","timestamp":"2025-09-10T19:31:06.176Z"},{"error":"Error: Agent file /Users/matthewscott/.claude/agents/CLAUDE_AGENT_INTEGRATION.md is missing required 'name' in frontmatter\n    at QN5 (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:9275)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7749\n    at Array.map (<anonymous>)\n    at file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2411:7679\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Promise.all (index 2)\n    at async ky0.<anonymous> (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3671:1355)\n    at async ky0.parseAsync (file:///Users/matthewscott/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:704:4184)\n    at async pm5

Note: Error logs were truncated.

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