có lỗi xảy ra: error code: 503 – {‘error’: {‘message’: ‘no available channels for group openai and model gpt-4o-mini (request id: 202501071659386515295226twpn44y)’

Có lỗi xảy ra: Error code: 503 - {'error': {'message': 'No available channels for Group openai and Model gpt-4o-mini (request id: 20250107165922507631045gdnMU87W)', 'type': 'new_api_error'}}Memory: A Very Short Introduction (Very Short…