Warning: require(./lib/pkp/includes/bootstrap.inc.php): Failed to open stream: No such file or directory in /opt/ojs/webserver/revistas/index.php on line 65

Fatal error: Uncaught Error: Failed opening required './lib/pkp/includes/bootstrap.inc.php' (include_path='.:/usr/share/pear:/usr/share/php') in /opt/ojs/webserver/revistas/index.php:65 Stack trace: #0 {main} thrown in /opt/ojs/webserver/revistas/index.php on line 65