Seaquel
MySQL error code

MySQL error 3501

MySQL server error 3501 is ER_ACL_OPERATION_FAILED, reported with SQLSTATE HY000.

The ACL operation failed due to the following error from SE: errcode %d - %s
Error3501
NameER_ACL_OPERATION_FAILED
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference