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MySQL error code

MySQL error 3628

MySQL server error 3628 is ER_MANDATORY_ROLE, reported with SQLSTATE HY000.

The role %s is a mandatory role and can't be revoked or dropped. The restriction can be lifted by excluding the role identifier from the global variable mandatory_roles.
Error3628
NameER_MANDATORY_ROLE
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference