Seaquel
MySQL error code

MySQL error 3928

MySQL server error 3928 is ER_CLIENT_PRIVILEGE_CHECKS_USER_NEEDS_RPL_APPLIER_PRIV, reported with SQLSTATE HY000.

PRIVILEGE_CHECKS_USER for replication channel '%s' was set to `%s`@`%s`, but this user does not have REPLICATION_APPLIER privilege.
Error3928
NameER_CLIENT_PRIVILEGE_CHECKS_USER_NEEDS_RPL_APPLIER_PRIV
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference