Setting up deb package sources failed

Hi
well, thoroughly reviewed my sources.list, updated
(https://forums.bunsenlabs.org/viewtopic.php?pid=39958#p39958)

and I’m still getting

[quote]Reading package lists…
Building dependency tree…
Reading state information…
dialog is already the newest version.
lsb-release is already the newest version.
whiptail is already the newest version.
wget is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
[ 2016-11-07 15:09:07+00:00 ] ----- [ entering create_custom_config ]
[ 2016-11-07 15:09:07+00:00 ] ----- [ entering confirm_installation ]
[ 2016-11-07 15:09:10+00:00 ] ----- [ entering setup_package_source ]

Failure !
The following error was caught during Yunohost installation :

Setting up deb package sources failed[/quote]

To cut this short, is there a yunohost 2.4 jessie image somewhere I could use please?
I could not find such a link on the release page (live images are 2.2 & wheezy)
Thanks a lot in advance