Question Rendering Error in layout Widget/Menu: Unsupported operand types....

Bonjour,

Aujourd'hui j'ai ajouté 4 sous-rubriques à mon forum. J'ai ensuite créé  4 nouveaux liens, cachés, de menu. J'ai dupliqué le template du forum pour inverser les couleurs de fond et d'écriture. J'ai ensuite appliqué ce nouveau template aux 4 nouveaux liens de forum.

Je n'ai touché à rien d'autre. Et pourtant, depuis, même sur la page de l'index du forum que je n'ai pas touché, apparaît le message

    Rendering Error in layout Widget/Menu: Unsupported operand types. Please enable debug mode for more information.

    et celui-ci en mode déboguage :

   Rendering Error in layout Widget/Menu: Unsupported operand types in /homepages/40/d432291893/htdocs/site/libraries/kunena/layout/base.php on line 168
   Layout was rendered in /homepages/40/d432291893/htdocs/site/libraries/kunena/layout/layout.php on line 80

J'ai trouvé ça www.kunena.org/forum/general-questions-a...-types-please-enable, mais aussi ça github.com/Kunena/Kunena-Forum/issues/5923 et même ça member.joomforest.com/forum/jf-simone-ku...8806-rendering-error mais je ne comprends rien.

Mon Joomla est à jour, 3.9.27, Kunena ne l'était pas, 5.2.3, mais même à jour, 5.2.5, il présente la même erreur.

Auriez vous une idée pour résoudre ce problème svp ?

Merci beaucoup. 

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Kunena menu details:

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1115	Forum NatSO 2022  Logistique	menu-forum	view=category&catid=18	forum/forum-natso-2022-logistique	No
1116	Forum NatSO 2022  GEC	menu-forum	view=category&catid=17	forum/forum-natso-2022-gec	No
1117	Forum NatSO 2022  Restauration	menu-forum	view=category&catid=19	forum/forum-natso-2022-restauration	No
1040	Forum (menu à ne pas supprimer)	kunenamenu	view=home&defaultmenu=1042	kunena	No
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1042	Sujets récents	kunenamenu	view=topics&mode=replies	kunena/messagesrecents	No
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1046	Mes sujets	kunenamenu	view=topics&layout=user&mode=default	kunena/mesrecents	No
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1048	Aide	kunenamenu	view=misc	kunena/aide	No
1049	Recherche	kunenamenu	view=search	kunena/recherche	No

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Kunena version detailed: Kunena 5.2.5 | 2021-05-30 [ Ligeia ]
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| Joomla! detailed language files installed:

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Joomla! languages installed:
en-GB	English (United Kingdom)
fr-FR	French (France)

Third-party components: None

Third-party SEF components: None

Plugins: None

Modules: None

Bon. Après plus de 2h de recherches infructueuse et près de 30 minutes après le début d'écriture de mon appel à l'aide : j'ai trouvé. Il s'agit du dernier lien de menu qui permet de retourner à l'accueil du site qui n'est plus accepté.

Si ça peut aider des infortunés, il suffit juste de le dépublier pour que tout rentre dans l'ordre.

Merci et bonne soirée.