Fatal Error PHP

[rtyas]

My site have problems [Mon Jul 03 01:37:30.199168 2017] [:error] [pid 43828] [client 87.240.27.34:55178] PHP Warning:  Missing argument 2 for BP_Course_Action::back_to_course_button() in /home/p/planetabu/edustudents/public_html/wp-content/plugins/vibe-course-module/includes/bp-course-actions.php on line 1583, referer: http://edustudents.ru/course/%d0%ba%d1%83%d1%80%d1%81-%d1%81%d1%82%d0%b0%d1%80%d1%88%d0%b5%d0%b3%d0%be-%d0%b2%d0%be%d0%b6%d0%b0%d1%82%d0%be%d0%b3%d0%be-%d0%be%d0%bd%d0%bb%d0%b0%d0%b9%d0%bd-%d1%8d%d0%ba%d1%81%d0%bf%d1%80%d0%b5/admin/ [Mon Jul 03 01:45:28.645518 2017] [:error] [pid 44380] [client 87.240.27.34:54968] PHP Warning:  Missing argument 2 for BP_Course_Action::back_to_course_button() in /home/p/planetabu/edustudents/public_html/wp-content/plugins/vibe-course-module/includes/bp-course-actions.php on line 1583, referer: http://edustudents.ru/course/%d0%ba%d1%83%d1%80%d1%81-%d1%81%d1%82%d0%b0%d1%80%d1%88%d0%b5%d0%b3%d0%be-%d0%b2%d0%be%d0%b6%d0%b0%d1%82%d0%be%d0%b3%d0%be-%d0%be%d0%bd%d0%bb%d0%b0%d0%b9%d0%bd-%d1%8d%d0%ba%d1%81%d0%bf%d1%80%d0%b5/admin/ [Mon Jul 03 01:46:32.891401 2017] [:error] [pid 44380] [client 87.240.27.34:57892] PHP Warning:  Missing argument 2 for BP_Course_Action::back_to_course_button() in /home/p/planetabu/edustudents/public_html/wp-content/plugins/vibe-course-module/includes/bp-course-actions.php on line 1583, referer: http://edustudents.ru/course/%d0%ba%d1%83%d1%80%d1%81-%d1%81%d1%82%d0%b0%d1%80%d1%88%d0%b5%d0%b3%d0%be-%d0%b2%d0%be%d0%b6%d0%b0%d1%82%d0%be%d0%b3%d0%be-%d0%be%d0%bd%d0%bb%d0%b0%d0%b9%d0%bd-%d1%8d%d0%ba%d1%81%d0%bf%d1%80%d0%b5/admin/ [Mon Jul 03 01:47:01.428802 2017] [:error] [pid 44380] [client 87.240.27.34:58688] PHP Warning:  Missing argument 2 for BP_Course_Action::back_to_course_button() in /home/p/planetabu/edustudents/public_html/wp-content/plugins/vibe-course-module/includes/bp-course-actions.php on line 1583, referer: http://edustudents.ru/course/%d0%ba%d1%83%d1%80%d1%81-%d1%81%d1%82%d0%b0%d1%80%d1%88%d0%b5%d0%b3%d0%be-%d0%b2%d0%be%d0%b6%d0%b0%d1%82%d0%be%d0%b3%d0%be-%d0%be%d0%bd%d0%bb%d0%b0%d0%b9%d0%bd-%d1%8d%d0%ba%d1%81%d0%bf%d1%80%d0%b5/admin/  

[H.K. Latiyan]

Hi... The back_to_course_button already have the correct arguments passed in it, refer: https://prntscr.com/free1h Please make sure the theme and plugins are updated to the latest versions i.e. 2.9.1 versions. Also let me know what changes you made when these warning started showing up.

[rtyas]

I install 2 plugin for cache wordpress.I install update for plugin and this problem Start. i backup my site, delete this plugins and reinstall wordpress. Tested... Worked normally.    

[H.K. Latiyan]

Thanks for the update, you can try using the w3total cache if you want instead of those plugin, refer: https://vibethemes.com/documentation/wplms/knowledge-base/wplms-with-w3-total-cache/

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