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Updating Plesk 12.0.18 to Plesk 12.5

Sancherodan

New Pleskian
Hello,

I have a virtual machine running CentOS6 with CloudLinux 6.7, and I have Plesk 12.0.18. I have been trying to update to Plesk 12.15 but everytime I get the following error:


"Exception: Failed to solve dependencies:"
plesk-php55-mysqlnd-5.5.16-1.el6.x86_64 requires plesk-php55-pdo = 5.5.16-1.el6
plesk-php54-mssql-5.4.32-1.el6.x86_64 requires plesk-php54-pdo = 5.4.32-1.el6
plesk-php54-mysqlnd-5.4.32-1.el6.x86_64 requires plesk-php54-pdo = 5.4.32-1.el6
plesk-php55-mssql-5.5.16-1.el6.x86_64 requires plesk-php55-pdo = 5.5.16-1.el6
Error: The Yum utility failed to install the required packages.
Attention! Your software might be inoperable.
Please, contact product technical support.



I have installed all PHP packages needed using $ yum groupinstall alt-php; but no matter what I do, I still get the same error. Plesk doesn't see the PHP packages that I already have when trying to install! I have been thinking about uninstalling CloudLinux and converting back to CentOS6 since multiple versions of PHP are only supported in Plesk 12.5 for CloudLinux. But I cannot update! and I am scared of how swiching back to CentOS would affect Plesk since I have over 200 websites hosted there.

What can I do to update to fix this error to be able to update Plesk to 12.5?
Is is safe to uninstall CloudLinux or is it a risky move?

Thank you in advance for your help
 
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