Title: getting error
Last modified: August 23, 2020

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# getting error

 *  Resolved [simbada](https://wordpress.org/support/users/simbada/)
 * (@simbada)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/getting-error-65/)
 * hello there,
 * i get the following error by the course detail page:
 * Fatal error: Uncaught Error: Call to a member function format() on bool in /var/
   www/web23474642/html/wordpress/wp-content/plugins/course-booking-system/includes/
   functions.php:111 Stack trace: #0 /var/www/web23474642/html/wordpress/wp-content/
   plugins/course-booking-system/templates/single-course.php(26): cbs_get_weekdays_holidays()#
   1 /var/www/web23474642/html/wordpress/wp-content/plugins/course-booking-system/
   includes/single.php(18): require(‘/var/www/web234…’) #2 /var/www/web23474642/
   html/wordpress/wp-includes/class-wp-hook.php(287): cbs_event_single_mapping(Array)#
   3 /var/www/web23474642/html/wordpress/wp-includes/class-wp-hook.php(311): WP_Hook-
   >apply_filters(”, Array) #4 /var/www/web23474642/html/wordpress/wp-includes/plugin.
   php(478): WP_Hook->do_action(Array) #5 /var/www/web23474642/html/wordpress/wp-
   content/plugins/mp-timetable/templates/theme/event-timeslots.php(45): do_action(‘
   mptt_event_time…’, Array) #6 /var/www/web23474642/html/wordpress/wp-content/plugins/
   mp-timetable/classes/class-view.php(155): include( in /var/www/web23474642/html/
   wordpress/wp-content/plugins/course-booking-system/includes/functions.php on 
   line 111
 * can you help me?

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [ComMotion](https://wordpress.org/support/users/werbeagenturcommotion/)
 * (@werbeagenturcommotion)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/getting-error-65/#post-13302528)
 * Hallo there,
 * of course I’m trying to help you. Could please tell me (or send me a screenshot)
   which columns you created in the section of Timetable > Columns?
 * Thanks in advance.
 * Sincerely,
    Maxim from ComMotion
    -  This reply was modified 5 years, 9 months ago by [ComMotion](https://wordpress.org/support/users/werbeagenturcommotion/).
 *  Plugin Author [ComMotion](https://wordpress.org/support/users/werbeagenturcommotion/)
 * (@werbeagenturcommotion)
 * [5 years, 7 months ago](https://wordpress.org/support/topic/getting-error-65/#post-13563603)
 * Please be sure to fill in all required fields at the bottom of the columns page.
   Please fill in a week day (Monday, Tuesday and so on) or a specific date and 
   the error will be gone.
 * Have fun with our plugin. If you have any further questions please let us know.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘getting error’ is closed to new replies.

 * ![](https://ps.w.org/course-booking-system/assets/icon-256x256.gif?rev=2387166)
 * [Course Booking System](https://wordpress.org/plugins/course-booking-system/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/course-booking-system/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/course-booking-system/)
 * [Active Topics](https://wordpress.org/support/plugin/course-booking-system/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/course-booking-system/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/course-booking-system/reviews/)

## Tags

 * [bool](https://wordpress.org/support/topic-tag/bool/)
 * [columns](https://wordpress.org/support/topic-tag/columns/)
 * [php](https://wordpress.org/support/topic-tag/php/)
 * [timetable](https://wordpress.org/support/topic-tag/timetable/)

 * 2 replies
 * 2 participants
 * Last reply from: [ComMotion](https://wordpress.org/support/users/werbeagenturcommotion/)
 * Last activity: [5 years, 7 months ago](https://wordpress.org/support/topic/getting-error-65/#post-13563603)
 * Status: resolved