[Bug] Anthropic API Error: No assistant message found

Resolved 💬 2 comments Opened Oct 21, 2025 by hanna-daoud Closed Oct 21, 2025

Bug Description
I sent a normal prompt, and got this error, agent continued working normal, just this error showed:\
\
This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). The promise rejected with the reason:
Error: No assistant message found
at Dd (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:12905)
at processTicksAndRejections (node:internal/process/task_queues:105:5)
at runNextTicks (node:internal/process/task_queues:69:3)
at process.processTimers (node:internal/timers:520:9)
at async file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:21696
at async Wo0 (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:2011)
at async yW (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:21552)
at async s9B (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3363:200)
This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). The promise rejected with the reason:
Error: No assistant message found
at Dd (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:12905)
at processTicksAndRejections (node:internal/process/task_queues:105:5)
at runNextTicks (node:internal/process/task_queues:69:3)
at process.processTimers (node:internal/timers:520:9)
at async file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:21696
at async Wo0 (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:2011)
at async yW (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:21552)
at async s9B (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3363:200)
This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). The promise rejected with the reason:
Error: No assistant message found
at Dd (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3356:12905)

Environment Info

  • Platform: linux
  • Terminal: vscode
  • Version: 2.0.24
  • Feedback ID: 83f1986c-5782-4d0f-80c2-5747303ad1b0

Errors

[{"error":"Error: Request was aborted.\n    at by.makeRequest (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:357:3850)\n    at processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at runNextTicks (node:internal/process/task_queues:69:3)\n    at process.processTimers (node:internal/timers:520:9)","timestamp":"2025-10-21T08:51:48.699Z"},{"error":"Error: Request was aborted.\n    at by.makeRequest (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:357:3850)\n    at processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at runNextTicks (node:internal/process/task_queues:69:3)\n    at process.processTimers (node:internal/timers:520:9)","timestamp":"2025-10-21T08:51:48.699Z"},{"error":"Error: Request was aborted.\n    at by.makeRequest (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:357:3850)\n    at processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at runNextTicks (node:internal/process/task_queues:69:3)\n    at process.processTimers (node:internal/timers:520:9)","timestamp":"2025-10-21T08:51:48.699Z"},{"error":"Error: Request was aborted.\n    at pp._createMessage (file:///home/thecondoriv/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:207:4515)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-10-21T08:51:58.502Z"}]

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