Title: [Plugin: Booking Calendar] installation errors
Last modified: August 19, 2016

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# [Plugin: Booking Calendar] installation errors

 *  Resolved [barthulley](https://wordpress.org/support/users/barthulley/)
 * (@barthulley)
 * [15 years, 6 months ago](https://wordpress.org/support/topic/plugin-booking-calendar-installation-errors/)
 * I get this lot on install:
 * Notice: Undefined index: wpdev_booking_settings_show_content in /homepages/46/
   d344972620/htdocs/wp-content/plugins/booking/wpdev-booking.php on line 624
 * Notice: Undefined index: show_footer_at_booking_page in /homepages/46/d344972620/
   htdocs/wp-content/plugins/booking/wpdev-booking.php on line 624
 * Notice: Undefined index: wpdev_booking_activate_user in /homepages/46/d344972620/
   htdocs/wp-content/plugins/booking/wpdev-booking.php on line 624
 * Warning: Cannot modify header information – headers already sent by (output started
   at /homepages/46/d344972620/htdocs/wp-content/plugins/booking/wpdev-booking.php:
   624) in /homepages/46/d344972620/htdocs/wp-content/plugins/qtranslate/qtranslate_core.
   php on line 71
 * Notice: has_cap was called with an argument that is deprecated since version 
   2.0! Usage of user levels by plugins and themes is deprecated. Use roles and 
   capabilities instead. in /homepages/46/d344972620/htdocs/wp-includes/functions.
   php on line 3321
 * Notice: has_cap was called with an argument that is deprecated since version 
   2.0! Usage of user levels by plugins and themes is deprecated. Use roles and 
   capabilities instead. in /homepages/46/d344972620/htdocs/wp-includes/functions.
   php on line 3321
 * Notice: has_cap was called with an argument that is deprecated since version 
   2.0! Usage of user levels by plugins and themes is deprecated. Use roles and 
   capabilities instead. in /homepages/46/d344972620/htdocs/wp-includes/functions.
   php on line 3321
 * Notice: has_cap was called with an argument that is deprecated since version 
   2.0! Usage of user levels by plugins and themes is deprecated. Use roles and 
   capabilities instead. in /homepages/46/d344972620/htdocs/wp-includes/functions.
   php on line 3321
 * Notice: has_cap was called with an argument that is deprecated since version 
   2.0! Usage of user levels by plugins and themes is deprecated. Use roles and 
   capabilities instead. in /homepages/46/d344972620/htdocs/wp-includes/functions.
   php on line 3321

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [wpdevelop](https://wordpress.org/support/users/wpdevelop/)
 * (@wpdevelop)
 * [15 years, 6 months ago](https://wordpress.org/support/topic/plugin-booking-calendar-installation-errors/#post-1755495)
 * Hello Barthulley,
    Do you made some editing of booking plugin files? which WP
   version do you use? whats plugins are installed at your systems ?
 * the “Notice: has_cap ” is fixed at the version 2.6.1, which now at WordPress 
   directory, so please download it gain and try again.
 * **Please try deactivate all other plugins then try to activate Booking Calendar.
   If problem disappear,so then please activate one by one all other plugins to 
   check, what combinations of plugins is make this issue. **
 * Thank you.
 *  Thread Starter [barthulley](https://wordpress.org/support/users/barthulley/)
 * (@barthulley)
 * [15 years, 6 months ago](https://wordpress.org/support/topic/plugin-booking-calendar-installation-errors/#post-1755498)
 * I’ve switched off debug mode and it now seems to be working fine …
 *  Plugin Author [wpdevelop](https://wordpress.org/support/users/wpdevelop/)
 * (@wpdevelop)
 * [15 years, 6 months ago](https://wordpress.org/support/topic/plugin-booking-calendar-installation-errors/#post-1755499)
 * Ok good, anyhow I am fixed to not use depricated functions at version 2.6.1 for
   do not show “Notices”.
    Thank you.
 *  Plugin Author [wpdevelop](https://wordpress.org/support/users/wpdevelop/)
 * (@wpdevelop)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-booking-calendar-installation-errors/#post-1755912)
 * Fixed at version 2.8 these and some other notice messages, which can appear during
   activation process of plugin, if Debug mode is ON at wordpress site

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘[Plugin: Booking Calendar] installation errors’ is closed to new replies.

 * ![](https://ps.w.org/booking/assets/icon-256x256.gif?rev=3335907)
 * [Booking Calendar](https://wordpress.org/plugins/booking/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/booking/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/booking/)
 * [Active Topics](https://wordpress.org/support/plugin/booking/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/booking/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/booking/reviews/)

 * 4 replies
 * 2 participants
 * Last reply from: [wpdevelop](https://wordpress.org/support/users/wpdevelop/)
 * Last activity: [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-booking-calendar-installation-errors/#post-1755912)
 * Status: resolved