Warning: Use of undefined constant JPATH_LIBRARIES - assumed 'JPATH_LIBRARIES' (this will throw an Error in a future version of PHP) in C:\xampp\htdocs\satit\libraries\phputf8\trim.php on line 15

Warning: require_once(JPATH_LIBRARIES/vendor/joomla/string/src/phputf8/trim.php): failed to open stream: No such file or directory in C:\xampp\htdocs\satit\libraries\phputf8\trim.php on line 15

Fatal error: require_once(): Failed opening required 'JPATH_LIBRARIES/vendor/joomla/string/src/phputf8/trim.php' (include_path='\xampp\php\PEAR') in C:\xampp\htdocs\satit\libraries\phputf8\trim.php on line 15