Error 400 “context_management: Extra inputs are not permitted”

Some users encounter the following error:

API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"context_management: Extra inputs are not
     permitted"},"request_id":"req_011CV5FefLSZ87MGpTyfrF5W"}

Solution

There are two ways to resolve this issue:

Method 1: Use the VS Code Extension

Use the Claude Code extension inside VS Code.

Method 2: Downgrade the Claude Code Version

⚠️

If you are using Claude Code CLI version 2.0.37, you may need to downgrade to version 2.0.32.

Check the current version

Run the following command to see your current version:

claude -v

If the version shown is 2.0.37, you need to downgrade.

Uninstall the current version

npm uninstall -g @anthropic-ai/claude-code

Install the older version

npm install -g @anthropic-ai/claude-code@2.0.32

Confirm the version update

Run the following command again to confirm the version has changed:

claude -v

Note

Before running the claude command in a new window, verify that the version number is correct.

Common Errors Error 400: Invalid signature in thinking