Solved Notice Cannot save topic: Subject is empty! (Kunena 5.0.13)

Hi,

We have a busy forum which we believe after the 5.0.12 update, is causing frequent errors as follows:

Start a new post.

Submit it and get shown:

Notice
Cannot save topic: Subject is empty!

Message
Your message has been successfully posted.

As per attached screen shot.

I cannot see any errors in Kunena logs or Joomla to say why, we have changed no forum config etc.

Can anyone help? I can't find any cause for this. If I check the Tools part of Kunena, I see:

topicMissingMessages TEST FAILED 1 issues
userReadOrphaned TEST FAILED 1 issues

If I choose to Delete broken items, it restores my missing topics but also seems to restore any deleted topics from the past few weeks too (only ones affected by this issue), but doesn't help us work out what is causing the issue.

Joomla 3.8.3

Thanks,

Chris

Any ideas all? We're still stuck with this problem and cannot find a solution.

Chris

We needs more informations. Please create a configuration report: docs.kunena.org/en/faq/configuration-report
What have you entered as subject, or is it a reply? What is the content in the message?

Thanks Rich, here it is:

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

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

This message contains confidential information

htaccess: Exists | PHP environment: Max execution time: 30 seconds | Max execution memory: 128M | Max file upload: 20M

Kunena menu details:

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ID	Name	Menutype	Link	Path	In trash
1686	Forum	mainmenu	view=home&defaultmenu=1164	cufc-forum	No
1748	Latest Posts	mainmenu	view=topics&layout=posts&mode=recent	cufc-forum/latest-posts	No
1749	Latest Topics	mainmenu	view=topics&mode=replies	cufc-forum/latest-topics	No
1757	Categories	mainmenu	view=category&layout=list&catid=0	cufc-forum/categories	Yes
1853	Profile	mainmenu	view=user	cufc-forum/profile	No
1854	Search	mainmenu	view=search	cufc-forum/search	No
1043	Kunena Forum	mainmenu	view=home&defaultmenu=499	2012-11-23-08-17-17/kunena-forum	Yes
1044	Kunena Category	mainmenu	view=category&catid=4	2012-11-23-08-17-17/kunena-forum/kunena-category	Yes
1045	Recent Topics	mainmenu	view=topics&mode=topics	2012-11-23-08-17-17/kunena-forum/recent-topics	Yes
1046	General Statistics	mainmenu	view=statistics	2012-11-23-08-17-17/kunena-forum/general-statistics	Yes
1047	Search Topics	mainmenu	view=search	2012-11-23-08-17-17/kunena-forum/search-topics	Yes
1173	Forum	mainmenu	Itemid=1738	kunena-2015-05-09	Yes
1738	Forum	kunenamenu	view=home&defaultmenu=1740	forum	No
1739	Index	kunenamenu	view=category&layout=list	forum/index	No
1740	Recent Topics	kunenamenu	view=topics&mode=replies	forum/recent	No
1741	New Topic	kunenamenu	view=topic&layout=create	forum/newtopic	No
1742	No Replies	kunenamenu	view=topics&mode=noreplies	forum/noreplies	No
1743	My Topics	kunenamenu	view=topics&layout=user&mode=default	forum/mylatest	No
1744	Profile	kunenamenu	view=user	forum/profile	No
1745	Help	kunenamenu	view=misc	forum/help	No
1746	Search	kunenamenu	view=search	forum/search	No

Joomla default template details : jsn_neon_pro | author: JoomlaShine.com | version: 3.0.3 | creationdate: 09/08/2014

Kunena default template details : Crypsis | author: Kunena Team | version: 5.0.13 | creationdate: 2017-12-31

Kunena template params:

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DefaultCategoryicon
profileIconset	default
DefaultIconset	default
editorIconset	default
lightboxColor	black
bootstrap	0
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tooltips	1
borderless	0
SubjectLengthMessage	80
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displayAnnouncement	1
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topicicontype	image
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IconColorNew	#48a348
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avatarSizeXPost	144
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avatarSizeXProfile	200
avatarSizeYProfile	200
socialsharetag
templatebyText
templatebyName
templatebyLink

Kunena version detailed: Kunena 5.0.13 | 2017-12-31 [ Meerkat ]
| Kunena detailed configuration:

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Kunena config settings:
board_offline	0
enablerss	1
threads_per_page	40
messages_per_page	50
messages_per_page_search	15
showhistory	1
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imageheight	800
imagewidth	800
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filetypes
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rankimages	1
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| Kunena integration settings:

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Kunena - Finder Disabled
Kunena - AlphaUserPoints 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-GB	English (en-GB)

Third-party components: None

Third-party SEF components: None

Plugins: JomSocial - My Kunena Forum Menu 2.0.3 | JomSocial - My Kunena Forum Posts 2.0.3 | JomSocial - Kunena Groups 2.0.3

Modules: Kunena Latest 5.0.3 | Kunena Stats 5.0.3

It is currently letting me post topics - all I did was amend the php version on the hosting server to 7.1 instead of 7.0 - nothing else has changed today, I've made three new topics without issue, I'll keep checking.

However, when ticking the subscription box on the topic, I did get this error:
Cannot save user topic: Topic 0 doesn't exist!
If you spot anything anywhere it would be much appreciated
Thanks,
Chris

Please check your page on outdated extensions. You have plugins, which are many years obsolete. Maybe therefore occur your problem.

• JomSocial - My Kunena Forum Menu 2.0.3;
• JomSocial - My Kunena Forum Posts 2.0.3; and
• JomSocial - Kunena Groups 2.0.3