I've upgraded Plesk from 11.0 to 12.0.18. from CentOS 6.5 to CentOS 7.0. I've installed MySQL 5.6 on the CentOS 7. Plesk failed to run after upgraded to CentOS 7. So, I reinstalled Plesk 12.0.18 using plesk-installer.
However, the error message says,
Package...