Warning: include_once(__config.php): Failed to open stream: No such file or directory in /volume1/web/iteach4u/htdocs/2017/studymaterials/index.php on line 3

Warning: include_once(): Failed opening '__config.php' for inclusion (include_path='.:/usr/share/pear') in /volume1/web/iteach4u/htdocs/2017/studymaterials/index.php on line 3

Fatal error: Uncaught Error: Undefined constant "LIB_PATH" in /volume1/web/iteach4u/htdocs/2017/studymaterials/index.php:4
Stack trace:
#0 {main}
  thrown in /volume1/web/iteach4u/htdocs/2017/studymaterials/index.php on line 4