Fatal error: Uncaught Error: Call to undefined function get_the_ID() in C:\xampp\htdocs\wp-content\plugins\wp-timelines\templates\content-timeline-simple-cent.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\wp-timelines\templates\content-timeline-simple-cent.php on line 4