[Bug] Anthropic API Error: Missing Tool Result Block

Bug Description
API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.363: tool_use ids were found without tool_result blocks immediately after:
toolu_01APpuJTbH8Jd1zPRw5soQCo. Each tool_use block must have a corresponding tool_result block in the next message."},"request_id":"req_011CTnjYQpd6yrKZVACS9Qrs"}

/compact

⎿ Error: Error during compaction: Error: API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.363: tool_use ids were found without tool_result blocks
immediately after: toolu_01APpuJTbH8Jd1zPRw5soQCo. Each tool_use block must have a corresponding tool_result block in the next message."},"request_id":"req_011CTnjYoFFWiiZYpZonLjoV"}

Environment Info

• Platform: darwin
• Terminal: kiro
• Version: 2.0.5
• Feedback ID: d23859c5-0a5b-44a1-add1-ba9f5e0e9d03

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.363: `tool_use` ids were found without `tool_result` blocks immediately after: toolu_01APpuJTbH8Jd1zPRw5soQCo. Each `tool_use` block must have a corresponding `tool_result` block in the next message.\"},\"request_id\":\"req_011CTnjYQpd6yrKZVACS9Qrs\"}\n    at B4.generate (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:895:18688)\n    at yP.makeStatusError (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1034:2131)\n    at yP.makeRequest (file:///Users/jeff_walter/.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 E2B.dG1.model (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39804)\n    at async dG1 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:27733)\n    at async E2B (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39958)\n    at async file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34180\n    at async ZH0 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:9568)\n    at async r11 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34150)","timestamp":"2025-10-04T19:46:30.578Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.363: `tool_use` ids were found without `tool_result` blocks immediately after: toolu_01APpuJTbH8Jd1zPRw5soQCo. Each `tool_use` block must have a corresponding `tool_result` block in the next message.\"},\"request_id\":\"req_011CTnjYoFFWiiZYpZonLjoV\"}\n    at B4.generate (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:895:18688)\n    at yP.makeStatusError (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1034:2131)\n    at yP.makeRequest (file:///Users/jeff_walter/.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 E2B.dG1.model (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39804)\n    at async dG1 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:27733)\n    at async E2B (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:39958)\n    at async file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34180\n    at async ZH0 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:9568)\n    at async r11 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1120:34150)","timestamp":"2025-10-04T19:46:35.814Z"},{"error":"Error: API Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.363: `tool_use` ids were found without `tool_result` blocks immediately after: toolu_01APpuJTbH8Jd1zPRw5soQCo. Each `tool_use` block must have a corresponding `tool_result` block in the next message.\"},\"request_id\":\"req_011CTnjYoFFWiiZYpZonLjoV\"}\n    at Ov1 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2149:1443)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Object.call (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2149:6452)\n    at async Xg6 (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3174:16606)\n    at async tFB (file:///Users/jeff_walter/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3174:14683)\n    at async nV5 (file:///Users/je

Note: Error logs were truncated.