Warning: require_once(/home/.sites/74/site1951128/web/wp-content/plugins/newsletter/includes/cron.php): Failed to open stream: No such file or directory in /home/.sites/74/site1951128/web/wp-content/plugins/newsletter/plugin.php on line 114

Fatal error: Uncaught Error: Failed opening required '/home/.sites/74/site1951128/web/wp-content/plugins/newsletter/includes/cron.php' (include_path='.:/usr/lib/php://share/php/php:/usr/share/pear:/usr/share/php') in /home/.sites/74/site1951128/web/wp-content/plugins/newsletter/plugin.php:114
Stack trace:
#0 /home/.sites/74/site1951128/web/wp-settings.php(517): include_once()
#1 /home/.sites/74/site1951128/web/wp-config.php(115): require_once('/home/.sites/74...')
#2 /home/.sites/74/site1951128/web/wp-load.php(50): require_once('/home/.sites/74...')
#3 /home/.sites/74/site1951128/web/wp-blog-header.php(13): require_once('/home/.sites/74...')
#4 /home/.sites/74/site1951128/web/index.php(17): require('/home/.sites/74...')
#5 {main}
  thrown in /home/.sites/74/site1951128/web/wp-content/plugins/newsletter/plugin.php on line 114