Seaquel
MySQL error code

MySQL error 1759

MySQL server error 1759 is ER_INSECURE_PLAIN_TEXT, reported with SQLSTATE HY000.

Sending passwords in plain text without SSL/TLS is extremely insecure.
Error1759
NameER_INSECURE_PLAIN_TEXT
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference