InnoDB Issue. Percona CLuster

for the past 2 months my cluster went do 2 times, and looks like this error is causing the problem, any ideas.

2017-01-24 10:52:47 7f50044bd7e0 InnoDB: Error: table tmp.#sql3843_343b7a_a does not exist in the InnoDB internal
InnoDB: data dictionary though MySQL is trying to drop it.
InnoDB: Have you copied the .frm file of the table to the
InnoDB: MySQL database directory from another database?
InnoDB: You can look for further help from
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting.html
2017-01-24 10:52:47 7f50044bd7e0 InnoDB: Error: table tmp.#sql3843_343b7f_a does not exist in the InnoDB internal
InnoDB: data dictionary though MySQL is trying to drop it.
InnoDB: Have you copied the .frm file of the table to the
InnoDB: MySQL database directory from another database?
InnoDB: You can look for further help from
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting.html