What type of hardware are you using: Raspberry Pi 3, 4+
What YunoHost version are you running: 12.1.22
What app is this about: omeka-s
Describe your issue
After successfully installing Omeka-S, the first time you use it, Omeka-S asks you to create a new user. After completing this page and validating, Omeka-S displays an error.
Share relevant logs or error messages
/var/www/omeka-s/logs/application.log :
2025-09-13T09:49:31+00:00 ERR (3): ValueError: xml_set_element_handler(): Argument #2 ($start_handler) an object must be set via xml_set_object() to be able to lookup method in /var/www/omeka-s/vendor/sweetrdf/easyrdf/lib/Parser/RdfXml.php:94
Stack trace:
#0 /var/www/omeka-s/vendor/sweetrdf/easyrdf/lib/Parser/RdfXml.php(94): xml_set_element_handler()
#1 /var/www/omeka-s/vendor/sweetrdf/easyrdf/lib/Parser/RdfXml.php(801): EasyRdf\Parser\RdfXml->initXMLParser()
#2 /var/www/omeka-s/vendor/sweetrdf/easyrdf/lib/Graph.php(252): EasyRdf\Parser\RdfXml->parse()
#3 /var/www/omeka-s/vendor/sweetrdf/easyrdf/lib/Graph.php(270): EasyRdf\Graph->parse()
#4 /var/www/omeka-s/application/src/Stdlib/RdfImporter.php(105): EasyRdf\Graph->parseFile()
#5 /var/www/omeka-s/application/src/Stdlib/RdfImporter.php(156): Omeka\Stdlib\RdfImporter->getMembers()
#6 /var/www/omeka-s/application/src/Installation/Task/InstallDefaultVocabulariesTask.php(71): Omeka\Stdlib\RdfImporter->import()
#7 /var/www/omeka-s/application/src/Installation/Installer.php(73): Omeka\Installation\Task\InstallDefaultVocabulariesTask->perform()
#8 /var/www/omeka-s/application/src/Controller/InstallController.php(50): Omeka\Installation\Installer->install()
#9 /var/www/omeka-s/vendor/laminas/laminas-mvc/src/Controller/AbstractActionController.php(71): Omeka\Controller\InstallController->indexAction()
#10 /var/www/omeka-s/vendor/laminas/laminas-eventmanager/src/EventManager.php(319): Laminas\Mvc\Controller\AbstractActionController->onDispatch()
#11 /var/www/omeka-s/vendor/laminas/laminas-eventmanager/src/EventManager.php(179): Laminas\EventManager\EventManager->triggerListeners()
#12 /var/www/omeka-s/vendor/laminas/laminas-mvc/src/Controller/AbstractController.php(97): Laminas\EventManager\EventManager->triggerEventUntil()
#13 /var/www/omeka-s/vendor/laminas/laminas-mvc/src/DispatchListener.php(132): Laminas\Mvc\Controller\AbstractController->dispatch()
#14 /var/www/omeka-s/vendor/laminas/laminas-eventmanager/src/EventManager.php(319): Laminas\Mvc\DispatchListener->onDispatch()
#15 /var/www/omeka-s/vendor/laminas/laminas-eventmanager/src/EventManager.php(179): Laminas\EventManager\EventManager->triggerListeners()
#16 /var/www/omeka-s/vendor/laminas/laminas-mvc/src/Application.php(325): Laminas\EventManager\EventManager->triggerEventUntil()
#17 /var/www/omeka-s/index.php(21): Laminas\Mvc\Application->run()
#18 {main}