调用创建支付后领取立减金活动接口

请求URL：https://api.weixin.qq.com/card/mkt/activity/create?access_token=ACCESS_TOKEN 

返回

{"errcode":999102,"errmsg":" hint: [6Q7t0158ha31]"}

调用接口的json

{"info":{"basic_info":{"activity_bg_color":"Color010","activity_tinyappid":"wxb0a7c5b2ffee4a87","begin_time":1516366500,"end_time":1517403420,"gift_num":3,"max_partic_times_act":1,"max_partic_times_one_day":1,"mch_code":"1240756902"},"card_info_list":[{"card_id":"pX2-vjrLL4nDkKs3oJnBqMK4kWJY","min_amt":1000,"total_user":true}],"custom_info":{"type":"AFTER_PAY_PACKAGE"}}}

使用的公众号appid:wx3ba94a3c65eb6220

不知道是什么原因？