Hello Dimitris, I have a similar issue as @rique, although the upgrade process seems to have ended successfully, custom static pages linked to custom menu items are not displayed anymore.
The upgrade process shows these warnings:
…
[schema: dbscripts/xml/ojs_schema.xml]
[data: dbscripts/xml/indexes.xml]
[code: Installer Installer::installDefaultNavigationMenus]
WARNING: The NavigationMenu (ContextId: 32, Title: User Navigation Menu, Area: user) will be skipped because the specified area has already a NavigationMenu attached.
WARNING: The NavigationMenu (ContextId: 32, Title: Primary Navigation Menu, Area: primary) will be skipped because the specified area has already a NavigationMenu attac
hed.
WARNING: The NavigationMenu (ContextId: 15, Title: User Navigation Menu, Area: user) will be skipped because the specified area has already a NavigationMenu attached.
WARNING: The NavigationMenu (ContextId: 15, Title: Primary Navigation Menu, Area: primary) will be skipped because the specified area has already a NavigationMenu attac
hed.
WARNING: The NavigationMenu (ContextId: 13, Title: User Navigation Menu, Area: user) will be skipped because the specified area has already a NavigationMenu attached.
WARNING: The NavigationMenu (ContextId: 13, Title: Primary Navigation Menu, Area: primary) will be skipped because the specified area has already a NavigationMenu attac
hed.
WARNING: The NavigationMenu (ContextId: 25, Title: User Navigation Menu, Area: user) will be skipped because the specified area has already a NavigationMenu attached.
WARNING: The NavigationMenu (ContextId: 25, Title: Primary Navigation Menu, Area: primary) will be skipped because the specified area has already a NavigationMenu attac
hed.
Followed by these other warnings:
WARNING: The StaticPage “Libros” uses a path (libros) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Equipos de Trabajo” uses a path (equipoeditorial1) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Indizada en” uses a path (Indices1) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Índice H, Journal Scholar Metrics y otros datos estadĂsticos” uses a path (estadistica3) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Porcentaje de Rechazo y Retiro” uses a path (rechazoyretiro1) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Ética y Buenas Prácticas” uses a path (etica1) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Frecuencia de publicación” uses a path (periodicidad1) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Preservación” uses a path (preservacion1) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
WARNING: The StaticPage “Índices” uses a path (indices) that conflicts with an existing Custom Navigation Menu Item path. Skipping this StaticPage.
…
At the end, the upgrade process shows the message: Successfully upgraded to version 3.1.2.0:
…
#4547: “Create Reviewer” reviewer selection option breaks email template
#4561: Fix Google Scholar plugin enabling on upgrade
#4562: Hide edit/delete/upload link actions for galleys from authors
PHP Notice: Only variables should be assigned by reference in /var/www/ojs/lib/pkp/classes/cliTool/UpgradeTool.inc.php on line 97
Successfully upgraded to version 3.1.2.0