An error is reported when implementing MySQL master-slave replication configuration, as shown in the figure:
Reason: it is not allowed to change when starting MySQL master-slave replication
Solution: first turn off MySQL master-slave replication, then refresh, then make changes, and then turn on MySQL master-slave replication
① turn off MySQL master-slave replication
stop slave;
② Refresh
flush privileges;
③ Enable MySQL master-slave replication
start slave;