php 版本获取聊天信息

php 版的 服务器的 怎么获取 聊天记录呀，老版的提示
array (size=5)
'error' => string 'reach_limit' (length=11)
'timestamp' => float 1489401025538
'duration' => int 0
'exception' => string 'com.easemob.flow.exceptions.ReachLimitException' (length=47)
'error_description' => string 'This request has reached api limit.' (length=35)
错误，