群聊问题 error: 603

{ verison : MSYNC_V1, compress_algorimth : 0, command : SYNC, payload : { meta : { id : 14634139794400032, to : 196909106550800820@conference.easemob.com, ns : CHAT, payload : { chattype : GROUPCHAT, from : 123, to : 196909106550800820, contents : [ { contenttype : TEXT, text : 123 } ] } } } }
[2016/5/16 23:52:59:497]: log: level: 1, area: 1, RECV:
{ verison : MSYNC_V1, command : SYNC, payload : { status : { error_code : 1, reason : blocked }, meta_id : 14634139794400032, server_id : 196920697149196244 } }
[2016/5/16 23:52:59:498]: asyncSendMessage failed, error: 603