Fatal error: Uncaught Error: Call to a member function fetchOne() on null in /home/iceberg/domains/delf.icebergcms.pl/public_html/modules/eventsCallendar/display_module_content.php:12 Stack trace: #0 /home/iceberg/domains/delf.icebergcms.pl/public_html/engine/src/Listener/RenderResponse.php(37): require() #1 /home/iceberg/domains/delf.icebergcms.pl/public_html/engine/src/Listener/RenderResponse.php(49): RenderResponse->{closure}() #2 /home/iceberg/domains/delf.icebergcms.pl/public_html/engine/src/Dispatcher/IcebergDispatcher.php(71): RenderResponse->onEngineRenderResponse() #3 /home/iceberg/domains/delf.icebergcms.pl/public_html/engine/src/Dispatcher/IcebergDispatcher.php(18): IcebergDispatcher->doDispatch() #4 /home/iceberg/domains/delf.icebergcms.pl/public_html/index.php(20): IcebergDispatcher->dispatch() #5 {main} thrown in /home/iceberg/domains/delf.icebergcms.pl/public_html/modules/eventsCallendar/display_module_content.php on line 12