Any WORKING multilanguage solution?

hi,

i try this milions way but anyone is working without problems.. so i need your support.
i just need simple multilanguage working eshop.. with sh404

i was trying
-joomla buildin multilanguage
-jostetta
-falang
-joomfish

at all of them i got some dont working parts (if i have sh404 enabled)
im sure there is some correct way but i cant find it anywhere.. as there are milions way of features and plugins enabled/disabled i need some proven solution.. i also contact sh404 developer but they say that their product is ok.. your product is ok too.. joomfish is ok too.. but together they dont work..

is here please anybody who have a working solution??

thanks a lot

-- url of the page with the problem -- : 7protect.com
-- HikaShop version -- : 2.2.2
-- Joomla version -- : 2.5
-- PHP version -- : 5.3.27
-- Browser(s) name and version -- : XXXXX x.x.x
-- Error-message(debug-mod must be tuned on) -- : Error_message

hi nicolas,

for now i delete all my previous content and "recreate" it with joomfish.. but when i enable sh404 the site just stop working..

im sure there are some bad settings on my site but its impossible for me find a working solution..
how to create a content?
what module use for lang switch?
working menu association
2 lang plugins enable or disable?
+ have a working sh404 urls

i can give you admin access so you can see my setting

my hikashop stop working at all !!

when i open any product i get this error:

Fatal error: Call to undefined method stdClass::get() in /.../libraries/joomfish/translatable/translationobject.php on line 311

i realy need some solution pls