1. Check the error log for the MySQL 1750 error:
$ tail -f /var/log/mysql/error.log
2. Check the MySQL configuration file for any misconfigurations:
$ cat /etc/mysql/my.cnf
3. Check the MySQL process list to see if any queries are running for an extended period of time:
$ mysqladmin -u root -p processlist
4. Check the MySQL status to see if there are any issues with the server:
$ mysqladmin -u root -p status
5. Check the MySQL variables to see if any of them are set to an incorrect value:
$ mysqladmin -u root -p variables
6. Check the MySQL user privileges to see if any of them are set to an incorrect value:
$ mysql -u root -p -e "SELECT * FROM mysql.user;"
7. Check the MySQL database tables to see if any of them are corrupted:
$ mysqlcheck -u root -p --all-databases
8. Check the MySQL database logs to see if any of them are corrupted:
$ mysqlbinlog -u root -p /var/log/mysql/binlog.log
9. If the issue persists, restart the MySQL server:
$ service mysql restart
10. As a final step, it is recommended to use an automated database observability tool to monitor and fix the MySQL 1750 in question. This tool can provide real-time insights into the performance of the database, detect any anomalies, and alert the user when an issue arises. It can also provide detailed logs and metrics to help diagnose and fix any issues quickly and efficiently.