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Warning: Attempt to read property "participation" on null in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/calendar_1736926948/widgets/views/participants.php on line 15

Fatal error: Uncaught Error: Call to a member function isEnabled() on null in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/calendar_1736926948/widgets/views/participants.php:15 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/calendar_1736926948/widgets/views/participants.php on line 15