Question getting 404 Error on "new Topic"

Hello
I have public and registered user group categories.
When I use "new topic"  I get a 404 error (see clip below)
Would apprecaite any advice
Scott
--- clip ---403 ForbiddenYou may not be able to visit this page because of:

1. an out-of-date bookmark/favourite
2. a search engine that has an out-of-date listing for this site
3. a mistyped address
4. you have no access to this page
5. The requested resource was not found.
6. An error has occurred while processing your request.

If difficulties persist, please contact the System Administrator of this site and report the error below
 

I have found config report and attach below

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: 120 seconds | Max execution memory: 768M | Max file upload: 128M

Kunena menu details:

Warning: Spoiler!

ID	Name	Menutype	Link	Path	In trash
2984	Q&A	registered-top-v2	Itemid=1279	support-for-subscribers/forums-small-business	No
1324	Q&A V1	registered-top	Itemid=1279	support-for-members/forums-small-business	No
2652	Join Q&A	footer	Itemid=1279	support-7/question-answer-forum	No
1279	Guests	kunenamenu	view=home&defaultmenu=1279	forum	No
1280	Index	kunenamenu	view=category&layout=list	forum/index	No
1281	Recent Topics	kunenamenu	view=topics&mode=replies	forum/recent	No
1282	New Topic	kunenamenu	view=topic&layout=create	forum/newtopic	No
1283	No Replies	kunenamenu	view=topics&mode=noreplies	forum/noreplies	No
1284	My Topics	kunenamenu	view=topics&layout=user&mode=default	forum/mylatest	No
1285	Profile	kunenamenu	view=user	forum/profile	No
1286	Help	kunenamenu	view=misc	forum/help	No
1287	Search	kunenamenu	view=search	forum/search	No

Joomla default template details : RSTrone! | author: RSJoomla! | version: 1.0.12 | creationdate: March 2018

Kunena default template details : Crypsis | author: Kunena Team | version: 5.1.19 | creationdate: 2020-08-15

Kunena template params:

Warning: Spoiler!

DefaultCategoryicon
profileIconset	default
DefaultIconset	default
editorIconset	default
bootstrap	0
icomoon	1
tooltips	1
borderless	1
SubjectLengthMessage	80
fullactions	1
quick	0
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
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hide	1
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center	1
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italic	1
bold	1
strikethrough	1
colors	1
size	1
wysibb
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 5.1.19 | 2020-08-15 [ Tethys ]
| 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
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shownew	1
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template	crypsis
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showchildcaticon	1
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username	1
askemail	1
showemail	0
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useredit	1
useredittime	0
useredittimegrace	600
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allowsubscriptions	1
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allowfavorites	1
maxsubject	50
maxsig	300
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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
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userlist_posts	1
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popusercount	5
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popsubjectcount	5
showspoilertag	1
showvideotag	1
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trimlongurls	1
trimlongurlsfront	40
trimlongurlsback	20
autoembedyoutube	1
autoembedebay	1
ebaylanguagecode	en-us
sessiontimeout	1800
highlightcode	0
rss_type	topic
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rss_excluded_categories
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rss_old_titles	1
rss_cache	900
defaultpage	recent
default_sort	desc
sef	1
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poppollscount	5
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pollnbvotesbyuser	100
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maxpersotext	50
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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
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latestcategory_in	1
topicicons	1
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mod_see_deleted	1
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listcat_show_moderators	1
lightbox	1
show_list_time	720
show_session_type	2
show_session_starttime	1800
userlist_allowed	0
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enable_threaded_layouts	0
category_subscriptions	post
topic_subscriptions	every
pubprofile	0
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email_recipient_privacy	bcc
captcha_post_limit	10
image_upload	registered
file_upload
topic_layout	flat
time_to_create_page	1
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hold_newusers_posts	3
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article_display	intro
send_emails	1
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cache	1
cache_time	600
iptracking	1
rss_feedburner_url
autolink	1
access_component	1
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legacy_urls	1
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categoryicons	1
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searchtime	365
teaser	0
ebay_language	0
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max_links	6
read_only	0
ratingenabled	0
url_subject_topic	1
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attach_start	0
attach_end	14
attachment_utf8	1
autoembedsoundcloud	1
emailheader	/media/kunena/email/hero-wide.png
user_status	1
signature	1
personal	1
social	1
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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
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avatar_type	1
sef_redirect	1
allow_edit_poll	1
use_system_emails	0
autoembedinstagram	1
disable_re	0
email_sender_name
display_filename_attachment	0

| Kunena integration settings:

Warning: Spoiler!

Kunena - Finder Disabled
Kunena - AltaUserPoints Disabled
Kunena - Community Builder Disabled
Kunena - Easyblog Disabled
Kunena - Easyprofile Disabled
Kunena - Easysocial 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-AU	English (AU)
en-GB	English (United Kingdom)

Third-party components: CommunityBuilder 2.4.7 | Jomsocial 4.2.6

Third-party SEF components: None

Plugins: None

Modules: None

It seems, you have only created sections. New topics are not possible, if you have no categories.
Please read this docs:
Sections and Categories  
New Section/Category