premでデイリーレートリミット。このエラーは今まで見たこと無い

{"message": "Error code: 429 - {'type': 'error', 'error': {'type': 'ratelimiterror', 'message': 'Number of request tokens has exceeded your daily rate limit (https://docs.anthropic.com/claude/reference/rate-limits)
; see the response headers for current usage. Please reduce the prompt length or the maximum tokens requested, or try again later.
You may also contact sales at https://www.anthropic.com/contact-sales to discuss your options for a rate limit increase.'}}", "code": "UnknownError", "status_code": 500}