claude

503 {"error":{"code":"model_not_found","message":"No available channel for model claude-sonnet-4-6 under group ──── 503a{"error":{"code":"model_not_found","message":"No available channel for model claude-sonnet-4-6 under group
default (distributor) (request id: 202603240921188434915375AUusAAq)","type":"new_api_error"}}