Fehler bei der Installation in Stud.IP 5.4

[merrx]

Beim Versuch, das Plugin in Stud.IP 5.4 zu installieren, gibt es den nachfolgenden Fehler.
Betrifft neben 1.17 auch ältere Versionen.

Typ: PDOException
    Nachricht: SQLSTATE[42000]: Syntax error or access violation: 1171 All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead
    Code: 42000
    Stack trace:
    #$ lib/classes/StudipPDO.class.php(175)
    #0 lib/classes/StudipPDO.class.php(175): PDO->exec()
    #1 public/plugins_packages/elan-ev/AufgabenPlugin/migrations/003_add_permissions.php(21): StudipPDO->exec()
    #2 lib/migrations/Migration.php(78): AddPermissions->up()
    #3 lib/migrations/Migrator.php(224): Migration->migrate()
    #4 lib/classes/PluginAdministration.php(234): Migrator->migrateTo()
    #5 lib/classes/PluginAdministration.php(124): PluginAdministration->createDBSchema()
    #6 app/controllers/admin/plugin.php(327): PluginAdministration->installPlugin()
    #7 vendor/trails/trails.php(558): Admin_PluginController->internal_install_action()
    #8 app/controllers/studip_controller.php(119): Trails_Controller->perform()
    #9 vendor/trails/trails.php(154): StudipController->perform()
    #10 vendor/trails/trails.php(121): Trails_Dispatcher->map_uri_to_response()
    #11 public/dispatch.php(25): Trails_Dispatcher->dispatch()
    #12 {main}