How To create Database facing operation failed Error

Welcome @applemart Happy you are here

Kindly run the following command in SSH terminal mysqld_safe --syslog then retry creating the database and post the contents of cat /var/log/syslog

Also post any issues here https://<IP Address>:8090/serverstatus/cyberCPMainLogFile after retrying

remove special charter and try

Should help if you possible change mysql root password or there are inconsistencies