setup/lang/et/preload.inc.php
<?php
/**
* English Preload Lexicon Topic for Revolution setup
*
* @package setup
* @subpackage lexicon
*/
$_lang['preload_err_cache'] = 'Make sure your [[+path]]cache directory exists and is writable by the PHP process.';
$_lang['preload_err_core_path'] = 'Make sure you have specified a valid MODX_CORE_PATH in your setup/includes/config.core.php file; this must point to a working MODX core.';
$_lang['preload_err_pdo'] = 'MODX requires the PDO extension when native PDO is being used, and it does not appear to be loaded.';