Last_Error:
 ... The slave coordinator and worker threads are stopped, possibly leaving data in inconsistent state. A restart should restore consistency automatically, although using non-transactional storage for data or info tables or DDL queries could lead to problems. In such cases you have to examine your data (see documentation for details).解决方法:
关闭并行复制
STOP SLAVE;
SET GLOBAL slave_parallel_workers=0;
START SLAVE;原文:http://blog.51cto.com/niuduzi/2170386