Fatal error: Uncaught Exception: Unknown or bad format (P-1D) in /home/clipperc/public_html/wp-content/plugins/wp-defender/src/model/class-notification.php:289 Stack trace: #0 /home/clipperc/public_html/wp-content/plugins/wp-defender/src/model/class-notification.php(289): DateInterval->__construct('P-1D') #1 /home/clipperc/public_html/wp-content/plugins/wp-defender/src/model/class-notification.php(427): WP_Defender\Model\Notification->get_next_run() #2 /home/clipperc/public_html/wp-content/plugins/wp-defender/src/class-upgrader.php(2102): WP_Defender\Model\Notification->save() #3 /home/clipperc/public_html/wp-content/plugins/wp-defender/src/class-upgrader.php(2053): WP_Defender\Upgrader->migrate_tweak_reminder_schedule() #4 /home/clipperc/public_html/wp-content/plugins/wp-defender/src/class-upgrader.php(482): WP_Defender\Upgrader->upgrade_6_0_0() #5 /home/clipperc/public_html/wp-includes/class-wp-hook.php(341): WP_Defender\Upgrader->run('') #6 /home/clipperc/public_html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #7 /home/clipperc/public_html/wp-includes/plugin.php(522): WP_Hook->do_action(Array) #8 /home/clipperc/public_html/wp-settings.php(771): do_action('init') #9 /home/clipperc/public_html/wp-config.php(89): require_once('/home/clipperc/...') #10 /home/clipperc/public_html/wp-load.php(50): require_once('/home/clipperc/...') #11 /home/clipperc/public_html/wp-blog-header.php(13): require_once('/home/clipperc/...') #12 /home/clipperc/public_html/index.php(17): require('/home/clipperc/...') #13 {main} thrown in /home/clipperc/public_html/wp-content/plugins/wp-defender/src/model/class-notification.php on line 289