Claude Code not working - only get 400 error

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│ ✻ Welcome to Claude Code! │
│ │
│ /help for help, /status for your current setup │
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│ cwd: /Users/meling/Develop/UrbanStories │
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do you remember

⎿ API Error: 400
{"type":"error","error":{"type":"invalid_request_error","message":"system: Invalid
model name"}}

/doctor

⎿ (no content)

Claude Code Status v1.0.43

L Session ID: 388dc775-7637-4dd5-8678-b4c93a2f2e9e

Working Directory
L /Users/meling/Develop/UrbanStories

IDE Integration • /config
⚠ Error installing Cursor extension: 1: ENOENT
Please restart your IDE and try again.

Account • /login
L Login Method: Claude Max Account
L Organization: meling@gothar.com's Organization
L Email: meling@gothar.com

Model • /model
L sonnet 4.0

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