Foutmelding
Deprecated function: mb_strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\views\Plugin\views\HandlerBase->caseTransform() (line 249 of core/modules/views/src/Plugin/views/HandlerBase.php).Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\zap_events\Service\TicketmaticManager->createWidgetUrl() (line 453 of modules/custom/zapeventsmodules/zap_events/src/Service/TicketmaticManager.php).
Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\zap_events\Service\TicketmaticManager->createWidgetUrl() (line 453 of modules/custom/zapeventsmodules/zap_events/src/Service/TicketmaticManager.php).
