调用https://api.weixin.qq.com/cgi-bin/message/mass/sendall微信群发接口，群发图文消息

返回错误：system busy, please try later rid: 65791c43-66d0a1c1-28207ebb

试了几次都不行，请问是什么原因？

调用 https://api.weixin.qq.com/cgi-bin/openapi/rid/get 接口返回的信息中也没有对应的错误说明

{

    "errcode":  0,

    "errmsg":  "ok",

    "request":  {

                    "invoke_time":  1702448701,

                    "cost_in_ms":  1462,

                    "request_url":  "access_token=75_BXgPmOquzUNxo-wEf5aRUoTmjYbg-I30P_iE16WDa89_L5UvYZB51lz0WtTKDPm783vGjSffNvS65jOGRR-PMhGosD539LKPA97OgVYlZaDS4XTAjWQNS36f1cL5RrBFVgdm1FACfVV9kSeBVAYeBFDFKI",

                    "request_body":  "{\"mpnews\":{\"media_id\":\"-aW9vJxa1Iz21tSkEl4sb8biioLMru-prVZreIlCl9dlX2M2qECZSUIqPzMA5jKG\"},\"filter\":{\"tag_id\":\"470\",\"is_to_all\":false},\"msgtype\":\"mpnews\",\"send_ignore_reprint\":1,\"clientmsgid\":\"638380743000071445\"}",

                    "response_body":  "{\"errcode\":268488001,\"errmsg\":\"system busy, please try later rid: 65794e3c-6471046d-223e5e27\"}",

                    "client_ip":  "139.217.251.163"

                }

}