Fatal error: extension 'sitebuilder' was not found

I use SiteBuilder 2.x.
I am switching my SiteBuilder 2.x to a new server.

However when open the browser, I have this error:
"Fatal error: extension 'sitebuilder' was not found"

I tried > php -v and this is my result:

[root@localhost Sitebuilder.2.1.3]# php -v
PHP: Error parsing /etc/php.d/ioncube-loader.ini on line 1
Failed loading extension_dir: extension_dir: cannot open shared object file: No such file or directory
PHP Warning: PHP Startup: Unable to load dynamic library...

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