Seaquel
MySQL error code

MySQL error 3879

MySQL server error 3879 is ER_DB_ACCESS_DENIED, reported with SQLSTATE HY000.

Access denied for AuthId `%s`@`%s` to database '%s'.
Error3879
NameER_DB_ACCESS_DENIED
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference