500 Internal Server Error (API Error)

Bug Report

User tier: Max subscriber

Error:

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CZriNpXacyc7P4ijWxapS"}

Request ID: req_011CZriNpXacyc7P4ijWxapS

Context:

• Platform: macOS (Darwin 25.1.0)
• Model: claude-opus-4-6 (1M context)
• CLI version: Claude Code (latest)

This was an unrecoverable 500 from the API during a normal session.