Warning: include_once(./libraries/engines/merge.lib.php) [function.include-once]: failed to open stream: No such file or directory in C:\ServerData\httpd\my1sql2admin3\libraries\engines\mrg_myisam.lib.php on line 11

Warning: include_once() [function.include]: Failed opening './libraries/engines/merge.lib.php' for inclusion (include_path='.;C:\php5\pear') in C:\ServerData\httpd\my1sql2admin3\libraries\engines\mrg_myisam.lib.php on line 11

Fatal error: Class 'PMA_StorageEngine_merge' not found in C:\ServerData\httpd\my1sql2admin3\libraries\engines\mrg_myisam.lib.php on line 17