joomla 4 cannot edit post or page templates

Hi there, I have upgraded/migrated a Joomla 3 site to Joomla 4, and wanted to start recreating a temaplate for the website. I have installed a Joomla 4 website that is wfunctioning well on another...
149 Replies
4 Votes

Latest By piyasenluck

Activity
2 days ago

Started 11 September 2022 by gaatec

0 - Cannot access protected property Joomla\CMS\Menu\MenuItem::$params

Hello, I found where the problem came from. It's the menu link to a "separator" that is not supported. Can you correct this? Regards, Pierre
35 Replies
1 Votes

Latest By amberbrion31

Activity
2 weeks ago

Started 19 September 2022 by Pierre665

Joomla 4 Themler Template when used shows 2 duplicate Article Contents on each page on the website.

Hello Support, I upgraded my site from Joomla 3 to 4 and am using the Themler Joomla 4 template with the latest version of Themler connected to my site. The article contents section in the template...
7 Replies
1 Votes

Latest By Williami

Activity
2 weeks ago

Started 18 February 2023 by dafofanoff

Error: 500 - behavior::tabstate not found.

Hi there, When I in Joomla 4.2.6 configure a menuitem "Category-List" so as to enable frontend editors to easile view and edit articles in the frontend. I get the following error: 500 -...
19 Replies
4 Votes

Latest By medical.cuckoo.xkig

Activity
3 weeks ago

Started 21 December 2022 by gaatec

Can you confirm that a stable version for Joomla 4 will be available before the end of 2022?

Hello, I need to renew my license. On your table (see attached) you have not indicated the versions supported by Themler for Joomla unlike other CMS. Can you confirm that a stable version for...
44 Replies
6 Votes

Latest By zw282719

Activity
3 weeks ago

Started 06 September 2022 by Pierre665

Virtuemart 4, Joomla 4 error: "500 - behavior::modal not found"

Joomla 4, Virtuemart 4, Themler 559, PHP 8.1 After entering the product category, I get the error: "500 - behavior::modal not found". On the standard Joomla template it's ok, the problem is only in...
26 Replies
2 Votes

Latest By suzyiulee2024

Activity
3 weeks ago

Started 03 January 2023 by souacz

Pod tytułem "wygasa"

Dzień dobry. W jaki sposób mam usunąć ten napis "wygasa" spod tytułu (załącznik)? Od samego początku go mam. Jak zmieniam szablon na standardowy to tego nie mam. Co to w ogóle jest?
5 Replies
0 Votes

Latest By chinahousehold

Activity
4 weeks ago

Started 30 April 2022 by asik5

Joomla 4 - "500 - icon::print_popup not found"

Hello Themler Support, I got the message "500 - icon::print_popup not found" on the blog post. How to resolve this? I saw that a user offered to open and save articles one by one. I have hundreds...
30 Replies
1 Votes

Latest By oliverharry728

Activity
13 May 2026

Started 03 February 2023 by Pierre665

Blog view "error -> 2 arguments are required, 1 given".

Hello, I have an error on the blog view "error -> 2 arguments are required, 1 given". Can you help me fix this? I posted this question privately 3 weeks ago but still don't have an answer. Could...
6 Replies
1 Votes

Latest By alexdavidfixer

Activity
12 May 2026

Started 09 March 2023 by Pierre665

Joomla 4 - Sorry, an error has occurred. Please clear your browser cache.

Hello, When I export a template with Themler on Joomla 4 and then import it on another site, when I want to edit it, I get the message "Sorry, an error has occurred. Please empty the cache of your...
40 Replies
4 Votes

Latest By sophiewilsonsmiths

Activity
20 April 2026

Started 09 February 2023 by Pierre665

What's about themler and joomla 4?

Hello, meanwhile joomla 4 beta is available. Themler templates didn't work anymore. Because I have some sites with themler templates, I and my customers are very interested in the future of...
20 Replies
5 Votes

Latest By connectseo2

Activity
15 April 2026

Started 14 June 2020 by Pitter

Will themler work with joomla 4 ?

Hi, Will Themler work with the future Joomla! 4 version of the CMS ? Haven't found any information about it here... Thanks for your answers, WBR, Stéphane
44 Replies
7 Votes

Latest By mrjackiop3

Activity
31 March 2026

Started 26 April 2020 by Stéphane

Edditor toolbar won't load

I have installed the latest Themler version on a blank Joomla 4 site The theme loads, but the toolbar doesn't. Site is a subdomein. I have an other subdomain (on the same domain) with the same joola...
63 Replies
1 Votes

Latest By tabafi5962

Activity
24 March 2026

Started 19 April 2023 by Patrick Witteveen

Vertical menu - Cannot access protected property joomla\CMS\Menu\MenuItem::$params

Joomla 4.1.5 PHP 7.4 Themler theme v556 0 - Cannot access protected property Joomla\CMS\Menu\MenuItem::$params when vmenu module position is active. Depublish and there is no error Please...
12 Replies
1 Votes

Latest By AnthonyRichi

Activity
18 March 2026

Started 08 August 2022 by WebIm

Themler 2.0 with Bootstrap 5 and support only two CMS: Joomla 4 and WordPress 5

Hi everyone and Themler team. Once again I want to start discussion about Themler future and suggest a solution. We need Themler 2.0 with Bootstrap 5 support ...to make modern websites based on...
43 Replies
75 Votes

Latest By muhammadasad234462

Activity
12 March 2026

Started 04 December 2021 by Vitaliy WD