Solved search tool error

Hi I'm using Kunena 3.0.8 with joomla 3.4.1, my tool search does' work pretty well, like it doesn't find any post whit a keyword , with a name … is there a way to check if my tool has the good settings or if it needs an update. I don't find it under plugin or extension
thanks for your help

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Kunena menu details:

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ID	Name	Menutype	Link	Path	In trash
329	Forum	mainmenu	view=home&defaultmenu=376	forums	No
375	Forum	kunenamenu	view=home&defaultmenu=377	forum	No
376	Accueil	kunenamenu	view=category&layout=list&catid=0	forum/accueil	No
377	Sujets Récents	kunenamenu	view=topics&mode=replies	forum/sujets-recebts	No
378	Nouveau sujet	kunenamenu	view=topic&layout=create	forum/nouveau-sujet	No
379	Pas de réponses	kunenamenu	view=topics&mode=noreplies	forum/pas-de-reponses	No
380	Mes sujets	kunenamenu	view=topics&layout=user&mode=default	forum/mes-sujets	No
381	Profile	kunenamenu	view=user	forum/profile	No
382	Aide	kunenamenu	view=misc	forum/aide	No
383	Rechercher	kunenamenu	view=search	forum/rechercher	No
384	Forum	mainmenu	Itemid=375	kunena-2014-07-31	No

Joomla default template details : SativaFX | author: JoomFX | version: 1.1 | creationdate: Unknown

Kunena default template details : SativaFX | author: JoomFX | version: 1.0.0 | creationdate: 2014-07-31

Kunena version detailed: Kunena 3.0.8 | 2015-04-05 [ Imperium ]
| Kunena detailed configuration:

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Kunena config settings:
board_offline	0
enablerss	1
threads_per_page	20
messages_per_page	6
messages_per_page_search	15
showhistory	1
historylimit	6
shownew	1
disemoticons	0
template	sativafx
showannouncement	0
avataroncat	0
catimagepath	category_images
showchildcaticon	1
rtewidth	450
rteheight	300
enableforumjump	1
reportmsg	1
username	1
askemail	0
showemail	0
showuserstats	1
showkarma	1
useredit	1
useredittime	0
useredittimegrace	600
editmarkup	1
allowsubscriptions	1
subscriptionschecked	1
allowfavorites	1
maxsubject	50
maxsig	300
regonly	0
pubwrite	0
floodprotection	0
mailmod	0
mailadmin	0
captcha	0
mailfull	1
allowavatarupload	1
allowavatargallery	1
avatarquality	75
avatarsize	2048
imageheight	800
imagewidth	800
imagesize	150
filetypes	txt,rtf,pdf,zip,tar.gz,tgz,tar.bz2
filesize	120
showranking	1
rankimages	1
userlist_rows	30
userlist_online	1
userlist_avatar	1
userlist_name	1
userlist_posts	1
userlist_karma	1
userlist_email	0
userlist_joindate	1
userlist_lastvisitdate	1
userlist_userhits	1
latestcategory
showstats	1
showwhoisonline	1
showgenstats	1
showpopuserstats	1
popusercount	5
showpopsubjectstats	1
popsubjectcount	5
usernamechange	0
showspoilertag	1
showvideotag	1
showebaytag	0
trimlongurls	1
trimlongurlsfront	40
trimlongurlsback	20
autoembedyoutube	1
autoembedebay	0
sessiontimeout	1800
highlightcode	0
rss_type	topic
rss_timelimit	month
rss_limit	100
rss_included_categories
rss_excluded_categories
rss_specification	rss2.0
rss_allow_html	1
rss_author_format	name
rss_author_in_title	1
rss_word_count	0
rss_old_titles	1
rss_cache	900
defaultpage	recent
default_sort	asc
sef	1
showimgforguest	1
showfileforguest	1
pollnboptions	4
pollallowvoteone	1
pollenabled	1
poppollscount	5
showpoppollstats	1
polltimebtvotes	00:15:00
pollnbvotesbyuser	100
pollresultsuserslist	1
maxpersotext	50
ordering_system	mesid
post_dateformat	ago
post_dateformat_hover	datetime
hide_ip	1
imagetypes	jpg,jpeg,gif,png
checkmimetypes	1
imagemimetypes	image/jpeg,image/jpg,image/gif,image/png
imagequality	50
thumbheight	32
thumbwidth	32
hideuserprofileinfo	put_empty
boxghostmessage	0
userdeletetmessage	0
latestcategory_in	1
topicicons	1
debug	0
catsautosubscribed	0
showbannedreason	0
version_check	1
showthankyou	1
showpopthankyoustats	1
popthankscount	5
mod_see_deleted	0
bbcode_img_secure	text
listcat_show_moderators	1
lightbox	1
show_list_time	720
show_session_type	0
show_session_starttime	0
userlist_allowed	0
userlist_count_users	1
enable_threaded_layouts	0
category_subscriptions	post
topic_subscriptions	every
pubprofile	1
thankyou_max	10
email_recipient_count	0
email_recipient_privacy	bcc
captcha_post_limit	0
keywords	0
userkeywords	0
image_upload	registered
file_upload	registered
topic_layout	flat
time_to_create_page	0
show_imgfiles_manage_profile	1
hold_newusers_posts	0
hold_guest_posts	0
attachment_limit	8
pickup_category	0
article_display	intro
send_emails	1
fallback_english	1
cache	1
cache_time	60
iptracking	1
rss_feedburner_url
autolink	1
access_component	1
statslink_allowed	1
superadmin_userlist	0
ebay_language	71
ebaylanguagecode	en-us

| Kunena integration settings:

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Kunena - AlphaUserPoints Disabled
Kunena - Community Builder Disabled
Kunena - Gravatar Disabled
Kunena - JomSocial Disabled
Kunena - Joomla Enabled: access=1 login=1
Kunena - Kunena Enabled: avatar=1 profile=1
Kunena - UddeIM Disabled

| Joomla! detailed language files installed:

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Joomla! languages installed:
en-GB	English (en-GB)
fr-FR	French (FR)

Third-party components: None

Third-party SEF components: None

Plugins: None

Modules: None

à

first try with default template.

I tried with default template it is the same problem

I migrate to 4.0 I still have the same problem can anyone help me?

hi my search tool doesn't work, I installed a joomla theme with kunena on it, it was kunena 3.0 I had this problem I updated to 4.0 I still have the same problem can anyone help me?
thanks

do I need to install a plug in or a module, I thought it is all include on the forum package? thanks for your help