Question Kunena 5.1.16 - Affichage sur ouverture forum

bonjour, j'ai fais installer le module Kunena 5.1.16 par le webmaster de mon site, mais nous n'avirrons pas à réaliser l'affichage du forum comme sur votre site.
Nous utilisons Joomla 3.9.16 et Kunena 5.1.16.

je vous joint l'impression ecran de ce que nous avons actuellement et ce que nous souhaitons

merci

I've deleted the configuration report, he is broken. Please do not add this report as pdf.
docs.kunena.org/en/faq/configuration-report

Database collation check: ✔ The collation of your table fields are correct

Joomla! SEF: Enabled | Joomla! SEF rewrite: Enabled | FTP layer: Disabled |

This message contains confidential information

htaccess: Exists | PHP environment: Max execution time: 2000 seconds | Max execution memory: 256M | Max file upload: 128M

Kunena menu details:

Warning: Spoiler!

ID	Name	Menutype	Link	Path	In trash
254	Echange	menumembres	view=home&defaultmenu=282	echange	No
279	forum	menuprincipal	Itemid=282	kunena-2020-03-24	No
282	forum	kunenamenu	view=category&layout=list&catid=0	forum	No
303	forum principal	kunenamenu	view=home&defaultmenu=282	forum/forum-principal	No
283	Index	kunenamenu	view=topics&mode=replies	forum/index	No
284	Sujets récents	kunenamenu	view=topics&mode=replies	forum/messagesrecents	No
290	Aide	kunenamenu	view=misc	forum/aide	No
291	Recherche	kunenamenu	view=search	forum/recherche	No
285	Non lu	kunenamenu	view=topics&layout=unread	forum/non-lu	No
286	Nouveau sujet	kunenamenu	view=topic&layout=create	forum/nouveausujet	No
287	Pas de réponse	kunenamenu	view=topics&mode=noreplies	forum/sansreponse	No
288	Mes sujets	kunenamenu	view=topics&layout=user&mode=default	forum/mesrecents	No
289	Profil	kunenamenu	view=user	forum/profil	No

Joomla default template details : eglise-bourg-en-bresse | author: JoomShaper.com | version: 1.1.1 | creationdate: Feb 2018

Kunena default template details : Crypsis | author: Kunena Team | version: 5.1.16 | creationdate: 2020-03-17

Kunena template params:

Warning: Spoiler!

DefaultCategoryicon
profileIconset	default
DefaultIconset	default
editorIconset	default
bootstrap	1
icomoon	1
tooltips	1
borderless	1
SubjectLengthMessage	80
fullactions	1
quick	1
displayMenu	1
displayDropdownMenu	1
displayDropdownContent	1
displayModule	1
displayBreadcrumb	1
displayAnnouncement	1
displayFooter	1
avatarPosition	left
avatarType	img-circle
labels	0
whoisonlineName	default
formRecover	0
topicicontype	B2
fontawesome	0
socialshare	0
socialsharetag
socialtheme	classic
optional_username	0
writeaccess	0
localstorage	0
IconColor	inherit
IconColorNew	#48a348
editor	0
video	1
maps	1
emoticons	1
twitter	1
ebay	1
link	1
picture	1
hide	1
spoiler	1
table	1
code	1
quote	1
divider	1
instagram	1
soundcloud	1
confidential	1
hr	1
listitem	1
supscript	1
subscript	1
numericlist	1
bulletedlist	1
alignright	1
alignleft	1
center	1
underline	1
italic	1
bold	1
strikethrough	1
colors	1
size	1
wysibb	bold,italic,underline,strike,sup,sub,justifyleft,justifycenter,justifyright,|,img,video,link,|,bullist,numlist,|,fontcolor,fontsize,fontfamily,|,quote,code,table,removeFormat
avatarSizeX	40
avatarSizeY	90
avatarSizeXThumb	36
avatarSizeYThumb	36
avatarSizeXWelcome	72
avatarSizeYWelcome	72
avatarSizeXList	36
avatarSizeYList	36
avatarSizeXPost	144
avatarSizeYPost	144
avatarSizeXProfile	200
avatarSizeYProfile	200
templatebyText
templatebyName
templatebyLink

Kunena version detailed: Kunena 5.1.16 | 2020-03-17 [ Pallene ]
| Kunena detailed configuration:

Warning: Spoiler!

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	1
template	crypsis
showannouncement	1
avataroncat	0
catimagepath	category_images
showchildcaticon	1
rtewidth	450
rteheight	300
enableforumjump	1
reportmsg	1
username	1
askemail	0
showemail	0
showuserstats	0
showkarma	0
useredit	0
useredittime	0
useredittimegrace	600
editmarkup	1
allowsubscriptions	1
subscriptionschecked	1
allowfavorites	0
maxsubject	50
maxsig	300
regonly	1
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_posts	1
userlist_karma	1
userlist_email	0
userlist_joindate	1
userlist_lastvisitdate	1
userlist_userhits	1
latestcategory
showstats	0
showwhoisonline	0
showgenstats	0
showpopuserstats	0
popusercount	5
showpopsubjectstats	0
popsubjectcount	5
showspoilertag	0
showvideotag	0
showebaytag	0
trimlongurls	1
trimlongurlsfront	40
trimlongurlsback	20
autoembedyoutube	0
autoembedebay	0
ebaylanguagecode	en-us
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	desc
sef	1
showimgforguest	1
showfileforguest	1
pollnboptions	4
pollallowvoteone	1
pollenabled	0
poppollscount	5
showpoppollstats	0
polltimebtvotes	00:15:00
pollnbvotesbyuser	100
pollresultsuserslist	0
allow_user_edit_poll	0
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
showthankyou	0
showpopthankyoustats	0
popthankscount	5
mod_see_deleted	0
bbcode_img_secure	text
listcat_show_moderators	1
lightbox	1
show_list_time	720
show_session_type	2
show_session_starttime	1800
userlist_allowed	0
userlist_count_users	1
enable_threaded_layouts	0
category_subscriptions	post
topic_subscriptions	every
pubprofile	0
thankyou_max	10
email_recipient_count	0
email_recipient_privacy	bcc
captcha_post_limit	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	0
cache_time	60
iptracking	1
rss_feedburner_url
autolink	1
access_component	0
statslink_allowed	1
superadmin_userlist	0
legacy_urls	1
attachment_protection	0
categoryicons	1
avatarresizemethod	1
avatarcrop	0
user_report	1
searchtime	365
teaser	0
ebay_language	0
allow_change_subject	0
max_links	6
read_only	0
ratingenabled	0
url_subject_topic	0
log_moderation	0
attach_start	0
attach_end	14
attachment_utf8	1
autoembedsoundcloud	0
emailheader	media/kunena/email/hero-wide.png
user_status	0
signature	1
personal	1
social	0
plain_email	0
moderator_permdelete	0
avatartypes	gif, jpeg, jpg, png
smartlinking	0
defaultavatar	nophoto.png
defaultavatarsmall	s_nophoto.png
quickreply	1
avataredit	0
activemenuitem
mainmenu_id
home_id
index_id
moderators_id
topiclist_id
misc_id
profile_id
search_id
avatar_type	1
sef_redirect	1
allow_edit_poll	0
use_system_emails	0
autoembedinstagram	0
disable_re	0

| Kunena integration settings:

Warning: Spoiler!

Kunena - Finder Enabled
Kunena - AltaUserPoints Disabled
Kunena - Community Builder Disabled
Kunena - Easyblog Disabled
Kunena - Easyprofile Disabled
Kunena - Easysocial Enabled: login=1 activity=1 avatar=1 profile=1 private=1 activity_badge_limit=0 activity_points_limit=0
Kunena - Gravatar Enabled: avatar=1
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:

Warning: Spoiler!

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

Third-party components: None

Third-party SEF components: None

Plugins: None

Modules: None

I'm sorry, your Joomla template uses bootstrap 4. We have currently not a template which correctly works with bootstrap 4 templates. The developer works already on a solution but you should be patient for some days. I don't know exactly the time when it is finished.