Warning: include(../../mainfile.php): failed to open stream: No such file or directory in /home/lionsclub333c/www/modules/d3downloads/rss.php on line 3

Warning: include(): Failed opening '../../mainfile.php' for inclusion (include_path='.:/usr/local/php/7.2/lib/php') in /home/lionsclub333c/www/modules/d3downloads/rss.php on line 3
set XOOPS_TRUST_PATH into mainfile.php