Warning: require_once(vtlib/Vtiger/Cron.php): Failed to open stream: No such file or directory in /home/solution/public_html/LawFirm/modules/Import/views/Main.php on line 10

Fatal error: Uncaught Error: Failed opening required 'vtlib/Vtiger/Cron.php' (include_path='.:/opt/cpanel/ea-php81/root/usr/share/pear') in /home/solution/public_html/LawFirm/modules/Import/views/Main.php:10 Stack trace: #0 {main} thrown in /home/solution/public_html/LawFirm/modules/Import/views/Main.php on line 10