Update version ioncube via WHM
ionCube loader is the PHP extension that decodes encrypted PHP files at runtime. It is freely available and installation is very easy. Update version ioncube via WHM see the below steps :
Please checkl the version of ioncube_loader
cat /usr/lib/php.ini |grep ioncube_loader
if version is less than error version then follow the below step
login in to the WHM -> Tweak Settings -> PHP
Select none and click on save.
Again go to Tweak Settings -> PHP and select Ioncube and click on save.
This should resolve your issue.