[xwiki-users] small bug after migration from xwiki 3.4

Hello all, After migration 3.4 > 6.1, i got just a small bug, in the menu "Home" , the < wiki index > label doesn't appear but I got "platform.wiki.menu.wikiindex" In the wiki index module, same, all label are "plateform.wiki.browse", "plateform.wiki.browse.wikiprettyname, " plateform.wiki.browse.decription",.... Do you know how I can correct this? BR Patrick