Problem

When you create a website, it error.

Error: Please set memory_limit more than 64M.

Reason

RVsitebuilder requires memory limit at 64MB in minimum while in your domain name it set with a less value.

Solution

Increase PHP memory limit (php.ini) for alt-php (CloudLinux)

For your domain name

1. Login to your cPanel.
2. Select MultiPHP INI Editor under a Software category.
3. Select a location.
4. Increase value on memory_limit more than 64M.

For entire server

1  Log in to WHM.
2. Go to Home->Software->MultiPHP INI Editor.
3. Select PHP version.
4. Increase value on memory_limit more than 64M.