MySQL Error Message
PRIVILEGE_CHECKS_USER for replication channel ‘%s’ was
set to `%s`@`%s`, but this user does not have REPLICATION_APPLIER
privilege. Correct this before starting the replication threads.
Reason for the Error
ER_WARN_LOG_PRIVILEGE_CHECKS_USER_NEEDS_RPL_APPLIER_PRIV
was added in 8.0.18.