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Warning: Attempt to read property "libdir" on null in C:\xampp\htdocs\laberit01\html\moodle\mnet\peer.php on line 11

Warning: require_once(/filelib.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\laberit01\html\moodle\mnet\peer.php on line 11

Fatal error: Uncaught Error: Failed opening required '/filelib.php' (include_path='\xampp\php\PEAR') in C:\xampp\htdocs\laberit01\html\moodle\mnet\peer.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laberit01\html\moodle\mnet\peer.php on line 11