503 {"error":{"type":"new_api_error","message":"No available channel for model c...

API Error: 503 {"error":{"type":"new_api_error","message":"No available channel for model claude-opus-4-6 under group vip (distributor) (request id: 20260401072540967901051b8b0lVH5) (request id: 20260401072536196301209fm6dODHC) (request id: 2026040107262383208725050nJu1Y5) (request id: 20260401152515752460542WpT9JIbT)"},"type":"error"}