Following error is displayed when launching template demo

(without going on workspaces) : 
Date: Tue May 04 11:31:33 CEST 2021 (1620120693316)
Thread: http-nio-10016-exec-2
Message #: 1212
Level: ERROR
NDC:
Category: org.ametys.core.right.RightManager
Message: An error occured with controller 'org.ametys.plugins.workspaces.project.rights.accesscontroller.CatalogNewsAccessController' for object '/ametys-internal:sites/catalog/ametys-internal:sitemaps/fr/actualites' (
[page://c0d6de92-7f8b-4751-ac4d-e1f5dc75595b]
). Thus, this controller will be ignored.
Location: org.ametys.core.right.RightManager._getAllowedUsers(RightManager.java:614)
Thrown:
org.ametys.plugins.repository.UnknownAmetysObjectException: There's no object at path ametys-internal:zones from path /ametys-internal:sites/catalog/ametys-internal:sitemaps/fr/actualites
at org.ametys.plugins.repository.jcr.TraversableAmetysObjectHelper.getChild(TraversableAmetysObjectHelper.java:151)
at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObjectFactory.getChild(DefaultTraversableAmetysObjectFactory.java:51)
at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObject.getChild(DefaultTraversableAmetysObject.java:71)
at org.ametys.web.repository.page.jcr.DefaultPage.getZone(DefaultPage.java:432)
at org.ametys.web.repository.page.jcr.DefaultPage.getZone(DefaultPage.java:1)
at org.ametys.plugins.workspaces.project.rights.accesscontroller.CatalogNewsAccessController._isCatalogNewsPage(CatalogNewsAccessController.java:78)
at org.ametys.plugins.workspaces.project.rights.accesscontroller.CatalogNewsAccessController.isSupported(CatalogNewsAccessController.java:71)
at org.ametys.core.right.RightManager._getAllowedUsers(RightManager.java:563)