Title: Seating plan lost (critical error)
Last modified: December 28, 2019

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# Seating plan lost (critical error)

 *  Resolved [apartee](https://wordpress.org/support/users/apartee/)
 * (@apartee)
 * [6 years, 4 months ago](https://wordpress.org/support/topic/seating-plan-lost-critical-error/)
 * Hi all
 * Suddenly the layout of my seating plan is lost.
    I cannot upload the template
   anymore neither. (I get the message ‘critical error). Maybe this happened with
   an update? I tried already a new upload and a backup file.
 * Anyone suggestions?
    Thanks, Peter
 * Error code:
    WordPress versie 5.3.2 Huidig thema: Customify (versie 0.3.4) Huidige
   plugin: StageShow (versie 9.0) PHP versie 7.4.0
 * Foutdetails
    =========== Een fout van het type E_ERROR werd veroorzaakt op regelnummer
   573 van het bestand /data/sites/web/teaterdepeerdestalbe/www/wp-content/plugins/
   stageshow/admin/stageshow_manage_seating.php. Foutmelding: Uncaught Error: Class‘
   StageShowWPOrgZonesDBaseClass’ not found in /data/sites/web/teaterdepeerdestalbe/
   www/wp-content/plugins/stageshow/admin/stageshow_manage_seating.php:573 Stack
   trace: #0 /data/sites/web/teaterdepeerdestalbe/www/wp-content/plugins/stageshow/
   admin/stageshow_manage_seating.php(474): StageShowWPOrgSeatingAdminClass->DoActions()#
   1 /data/sites/web/teaterdepeerdestalbe/www/wp-content/plugins/stageshow/include/
   stageshowlib_admin.php(175): StageShowWPOrgSeatingAdminClass->ProcessActionButtons()#
   2 /data/sites/web/teaterdepeerdestalbe/www/wp-content/plugins/stageshow/admin/
   stageshow_manage_seating.php(317): StageShowLibAdminClass->__construct() #3 /
   data/sites/web/teaterdepeerdestalbe/www/wp-content/plugins/stageshow/stageshow_main.
   php(314): StageShowWPOrgSeatingAdminClass->__construct() #4 /data/sites/web/teaterdepeerdestalbe/
   www/wp-content/plugins/stageshow/stageshow_main.php(291): StageShowPluginClass-
   >outputAdminPage() #5 /data/sites/web/teaterdepeerdestalbe/www/wp-includes/class-
   wp-hook.php(2

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 * 0 replies
 * 1 participant
 * Last reply from: [apartee](https://wordpress.org/support/users/apartee/)
 * Last activity: [6 years, 4 months ago](https://wordpress.org/support/topic/seating-plan-lost-critical-error/)
 * Status: resolved