Warning: include(header.php) [function.include]: failed to open stream: No such file or directory in C:\joomla\V2\events.php on line 2

Warning: include() [function.include]: Failed opening 'header.php' for inclusion (include_path='.;C:\php\PEAR') in C:\joomla\V2\events.php on line 2

Fatal error: Class 'RESTClient' not found in C:\joomla\V2\events.php on line 4
PHP Warning: include(header.php) [function.include]: failed to open stream: No such file or directory in C:\joomla\V2\events.php on line 2 PHP Warning: include() [function.include]: Failed opening 'header.php' for inclusion (include_path='.;C:\php\PEAR') in C:\joomla\V2\events.php on line 2 PHP Fatal error: Class 'RESTClient' not found in C:\joomla\V2\events.php on line 4