IM 消息发送失败

有关IM消息的聊天室，消息发送失败。具体错误信息如下：
客服端：Android
用户名：yjt_32255
SDK版本号：2.8.2
错误日志：
2019-04-12 11:59:14.307 18080-18080/? E/IMMessageManager: start login: userId = yjt_32255
2019-04-12 11:59:14.914 18080-18080/? E/IMMessageManager: login success
2019-04-12 11:59:16.431 18080-18080/? E/IMMessageManager: 加入群 {15703836} 成功
2019-04-12 11:59:16.659 18080-18080/? E/IMMessageManager: [sendGroupTextMessage] 发送群消息成功:
2019-04-12 11:59:25.038 18080-18080/? E/IMMessageManager: [sendGroupTextMessage] 发送群{15703836}消息失败: Illegal message status. only created or send_failed, send_cancelled message can be sent(871325)
2019-04-12 11:59:46.905 18080-18080/? E/IMMessageManager: [sendGroupTextMessage] 发送群{15703836}消息失败: Illegal message status. only created or send_failed, send_cancelled message can be sent(871325)
2019-04-12 12:00:07.292 18080-18080/? E/IMMessageManager: [sendGroupTextMessage] 发送群{15703836}消息失败: Illegal message status. only created or send_failed, send_cancelled message can be sent(871325)
2019-04-12 12:00:59.756 18080-18080/? E/IMMessageManager: [sendGroupTextMessage] 发送群{15703836}消息失败: Illegal message status. only created or send_failed, send_cancelled message can be sent(871325)