Hello All, currently i have one master ( Mariadb 10.0.15) most of oure databases and tables are still myisam. i made a galera cluster with 3 nodes on mariadb 10.3.8 i made a dump the master, imported it into galera cluster, and mysql replication is running but im encoutering Alot of errors: Jul 28 00:30:32 db100 mysqld[7615]: 2018-07-28 0:30:32 3807 [Warning] WSREP: SQL statement was ineffective thd: 3807 buf: 401 Jul 28 00:30:32 db100 mysqld[7615]: schema: mytable Jul 28 00:30:32 db100 mysqld[7615]: QUERY: COMMIT Jul 28 00:30:32 db100 mysqld[7615]: => Skipping replication the idea is to discontinue the 10.0.15 machine and replace it with a 3 node galera cluster. and to setup mysql replication into galera. then start inserting in galera. and then shutdown the old master to provide a smooth migration. what could this be or how can i further debug this and find out why i receive this errors? Kind regards Ton Wittenberg