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Fatal error: Uncaught Error: Call to undefined function add_action() in /home/ayyokffr/manualidoc.net/wp-content/plugins/drafts-scheduler/draft-scheduler.php:47 Stack trace: #0 /home/ayyokffr/manualidoc.net/wp-content/plugins/drafts-scheduler/draft-scheduler.php(564): DraftScheduler->DraftScheduler() #1 {main} thrown in /home/ayyokffr/manualidoc.net/wp-content/plugins/drafts-scheduler/draft-scheduler.php on line 47