[Bug] Anthropic API Error: Missing Tool Result Block
Resolved 💬 3 comments Opened Oct 1, 2025 by rikinjshah Closed Oct 4, 2025
Bug Description
⎿ API Error: 400
{"type":"error","error":{"type":"invalid_request_error","message":"messages.14:
tool_use ids were found without tool_result blocks immediately after:
toolu_014MXTnZBZGiNa7usCgPAgvr. Each tool_use block must have a corresponding
tool_result block in the next
message."},"request_id":"req_011CTfcxzUGKGPAMbkko21rZ"}
Environment Info
- Platform: darwin
- Terminal: cursor
- Version: 2.0.1
- Feedback ID: 38d07ca0-2488-4221-9093-5d901d078a9b
Errors
[{"error":"Error: 1: 1 \n at d44 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1020:4089)\n at async u44 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1020:1655)","timestamp":"2025-09-30T23:22:17.859Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n at QK (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1741:1183)\n at file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1741:911\n at Array.map (<anonymous>)\n at xX (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1741:902)\n at dJB (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2847:9380)\n at CC (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n at Fp (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n at I9 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n at Ch (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n at TC (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-09-30T23:22:24.862Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 202748 tokens > 200000 maximum\"},\"request_id\":\"req_011CTfSvCJuLn34jQjs1iRqr\"}\n at B4.generate (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:895:20956)\n at yP.makeStatusError (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1034:2131)\n at yP.makeRequest (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1034:5344)\n at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n at async cG1.model (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39804)\n at async cG1 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:27733)\n at async q2B (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39958)\n at async file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34180\n at async ZH0 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:9568)\n at async r11 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34150)","timestamp":"2025-09-30T23:24:21.104Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 202797 tokens > 200000 maximum\"},\"request_id\":\"req_011CTfSvLWGmaxivo9eTsAnB\"}\n at B4.generate (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:895:20956)\n at yP.makeStatusError (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1034:2131)\n at yP.makeRequest (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1034:5344)\n at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n at async cG1.model (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39804)\n at async cG1 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:27733)\n at async q2B (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39958)\n at async file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34180\n at async ZH0 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:9568)\n at async r11 (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34150)","timestamp":"2025-09-30T23:24:22.767Z"},{"error":"Error: Request was aborted.\n at ag._createMessage (file:///Users/rikinshah/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:899:4711)\n at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"20
Note: Error logs were truncated.
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