php 通过环信rest接口导出聊天记录 报错

Array (
 [error] => query_parse
 [timestamp] => 1439358860048
 [duration] => 0
 [exception] => org.apache.usergrid.persistence.exceptions.QueryParseException
 [error_description] => The query cannot be parsed. The token 'array' at column 14 on line 1 cannot be parsed
 )