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n8n - 💡(How to fix) Fix "Anthropic Chat Model node fails

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Error Message

  • error: all

Code Example

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
⚠️ WARNING ⚠️ If you have sensitive data in your workflow (like API keys), please remove it before sharing.
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"Anthropic Chat Model node fails with 'resource not found' on all models. This is a known bug fixed in PR #27234 but not applied to my Cloud instance."

<img width="1366" height="768" alt="Image" src="https://github.com/user-attachments/assets/7f10ce89-da70-43c6-b342-6957f956be96" /> <img width="1366" height="768" alt="Image" src="https://github.com/user-attachments/assets/3545b475-ec8a-42ef-a124-5a5ce60d964c" /> 
(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
⚠️ WARNING ⚠️ If you have sensitive data in your workflow (like API keys), please remove it before sharing.

Share the output returned by the last node

<!-- If you need help with data transformations, please also share your expected output. -->

Debug info

core

  • n8nVersion: 2.21.8
  • platform: docker (cloud)
  • nodeJsVersion: 24.15.0
  • nodeEnv: production
  • database: sqlite
  • executionMode: regular
  • concurrency: 5
  • license: enterprise (sandbox)

storage

  • success: all
  • error: all
  • progress: false
  • manual: true
  • binaryMode: filesystem

pruning

  • enabled: true
  • maxAge: 168 hours
  • maxCount: 2500 executions

client

  • userAgent: mozilla/5.0 (x11; cros x86_64 14541.0.0) applewebkit/537.36 (khtml, like gecko) chrome/148.0.0.0 safari/537.36
  • isTouchDevice: false

Generated at: 2026-06-09T17:13:40.192Z

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