Comment 4 for bug 1463332

Digging around that error, i've found http://askubuntu.com/questions/48994/unity-files-folders-lens-cant-find-anything

and did:

sudo zeitgeist-daemon --quit
[sudo] password for oem:
[09:26 - 0]
[u32 4] ~ > sudo rm -rvf ~/.local/share/zeitgeist/fts.index/
removed ‘/home/oem/.local/share/zeitgeist/fts.index/postlist.baseB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/flintlock’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/iamchert’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/position.DB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/record.baseA’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/termlist.DB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/termlist.baseB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/termlist.baseA’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/record.DB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/position.baseB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/postlist.baseA’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/postlist.DB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/record.baseB’
removed ‘/home/oem/.local/share/zeitgeist/fts.index/position.baseA’
removed directory: ‘/home/oem/.local/share/zeitgeist/fts.index/’
[09:26 - 0]
[u32 5] ~ > sudo zeitgeist-daemon --replace
 extension-collection.vala:123: Skipping SearchEngine (disabled)

The latest message "Skipping SearchEngine (disabled)" is quite a surprise, and wonder what it really means.