Benutzergruppenberechtigungen können nicht geändert werden

System Information

PHP Version:
7.4.18
WoltLab Suite Core:
5.4.0 Beta 1
Peak Memory Usage:
3.429/128 MiB
Request URI:
POST /forum/acp/index.php?user-group-edit/4/
Referrer:
forum/acp/index.php?user-group-edit/4/
User Agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15
Error

Error Type:
LogicException
Error Message:
Event listener does not handle 'finalizeAction' event.
File:
*/lib/system/event/listener/AbstractEventListener.class.php (61)
Stack Trace:
#0 */lib/system/event/EventHandler.class.php (252):
wcf\system\event\listener\AbstractEventListener->execute()
#1 */lib/data/AbstractDatabaseObjectAction.class.php (224):
wcf\system\event\EventHandler->fireAction()
#2 */lib/acp/form/UserGroupEditForm.class.php (202):
wcf\data\AbstractDatabaseObjectAction->executeAction()
#3 */lib/form/AbstractForm.class.php (66):
wcf\acp\form\UserGroupEditForm->save()
#4 */lib/form/AbstractForm.class.php (134):
wcf\form\AbstractForm->submit()
#5 */lib/acp/form/AbstractOptionListForm.class.php (111):
wcf\form\AbstractForm->readData()
#6 */lib/acp/form/UserGroupAddForm.class.php (244):
wcf\acp\form\AbstractOptionListForm->readData()
#7 */lib/acp/form/UserGroupEditForm.class.php (123):
wcf\acp\form\UserGroupAddForm->readData()
#8 */lib/page/AbstractPage.class.php (339):
wcf\acp\form\UserGroupEditForm->readData()
#9 */lib/acp/form/UserGroupAddForm.class.php (285):
wcf\page\AbstractPage->show()
#10 */lib/page/AbstractPage.class.php (122):
wcf\acp\form\UserGroupAddForm->show()
#11 */lib/system/request/Request.class.php (89):
wcf\page\AbstractPage->__run()
#12 */lib/system/request/RequestHandler.class.php (119):
wcf\system\request\Request->execute()
#13 */acp/index.php (11):
wcf\system\request\RequestHandler->handle()