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MySQL error code

MySQL error 4064

MySQL server error 4064 is ER_INVALID_MFA_OPERATIONS_FOR_PASSWORDLESS_USER, reported with SQLSTATE HY000.

The operation "%s" cannot be performed for user '%s'@'%s' configured to connect without a password.
Error4064
NameER_INVALID_MFA_OPERATIONS_FOR_PASSWORDLESS_USER
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference