[BUG] Continuously getting API Error: 400 {"error":{"message":"{"message":"context_management: Extra inputs are not permitted"}. Received Model Group=bedrock-sonnet-4.5\nAvailable Model Group Fallbacks=None","type":"None","param":"None","code":"400"}}

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Continuously getting API Error: 400 {"error":{"message":"{"message":"context_management: Extra inputs are not permitted"}. Received Model Group=bedrock-sonnet-4.5\nAvailable Model Group Fallbacks=None","type":"None","param":"None","code":"400"}}

This started happening from today

What Should Happen?

I should be able to get correct response for my tasks

Error Messages/Logs

Steps to Reproduce

Just ask some basic task to check the code etc

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Version: 1.115.0 Commit: 41dd792b5e652393e7787322889ed5fdc58bd75b Date: 2026-04-07T22:04:57Z Electron: 39.8.5 ElectronBuildId: 13703022 Chromium: 142.0.7444.265 Node.js: 22.22.1 V8: 14.2.231.22-electron.0 OS: Darwin arm64 24.6.0

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_