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Hat schon jemand versucht ein bestehendes Themler Template für joomla3 auf joomla4 zu installieren?

Hat schon jemand versucht ein bestehendes Themler Template für joomla3 auf joomla4 zu installieren? Geht das? Wir haben noch mehre Kunden die leider noch auf Joomla3 unterwegs sind. Diese Kunden...

themler-update joomla3 joomla4

183 Replies

1 Votes

Activity
yesterday

Started 14 December 2023 by CATSS

Is there a way to convert Joomla 3 templates to Joomla4

Since a template is build by all kinds of data that is saved in Themler it should be possible to create a converter. Technically this can be done, but i understand it will take time for your...

compatibility joomla4

29 Replies

9 Votes

Activity
5 days ago

Started 30 October 2022 by Scorpion Computers & Software

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

Hi, when i put an image in a menu's voice i get this error. 0 - Cannot access protected property Joomla\CMS\Menu\MenuItem::$params If i deactivate that menu's voice the website starts working...

php-7.4 joomla4 php-8 v-559

5 Replies

1 Votes

Activity
3 weeks ago

Started 22 November 2022 by armando.gobbi2

Help - Joomla4 CMS Content

Greetings I use Joomla4. I installed the white template for joomla 4 and created some content. I don't see the green CMS content in the left bar of the template panel. I can therefore not insert...

cms-content joomla4

4 Replies

4 Votes

Activity
06 March 2026

Started 30 November 2022 by WebIm

Converting an Artisteer project to a Joomla 4 template

Good day, I have a website on Joomla 3 and I have a template created in Artisteer. I would like to ask if it is possible to use Themler to convert it to a template compatible with Joomla 4? I have...

Artisteer joomla4

42 Replies

0 Votes

Activity
23 February 2026

Started 15 December 2022 by malekm

Error 0: Class "JArchive" not found

Hello, I finally managed to migrate several sites to the new Joomla with Themler. Now I have J4 version: 4.2.5 and Themler: the last update a week ago. And PHP v 8.0 But today when I try to access...

joomla4 error-0 jarchive-not-found

14 Replies

0 Votes

Activity
28 January 2026

Started 08 November 2022 by Sinergia Innovaciones

themler with joomla 4

Hi i updated joomla to version 4.1.5, but there is a compatibility problem with themler theme. How can I update themler? The error that comes up is "Attempted to call an undefined method named"...

joomla4 j4

37 Replies

3 Votes

Activity
11 January 2026

Started 04 July 2022 by MercurioWeb WebStudio

Display issue - "expired" label on Blog view

Hello, An "Expired" label appears on the Blog view. This is from themler because it doesn't display with Joomla's default template. Can you tell me how to fix this bug? Regards, Pierre

joomla-4 joomla-4.4 joomla4

10 Replies

0 Votes

Activity
26 December 2025

Started 06 February 2023 by Pierre665

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

Hello, Unable to edit my template. On chrome, safari and firefox I have the message "Sorry, an error has occurred. Please clear your browser cache." Regards, Pierre

joomla4

12 Replies

0 Votes

Activity
25 November 2025

Started 03 April 2023 by Pierre665

Themler can only be started in debug mode

Hoping someone can help me. After migrating from Joomla 3 or 4 to Joomla 5, I constantly have problems starting Themler in version 570. When migrating from Joomla 4 to 5, I discovered that it was...

error-500 joomla3 joomla4 debug-mode joomla5

9 Replies

0 Votes

Activity
21 November 2025

Started 14 August 2024 by Werbeagentur Schulz-Design

Joomla 4 support is available in Beta

Good news! We have added support for Joomla 4 in Beta mode. To try Themler for Joomla 4, please follow the steps below: Download the default Themler theme for Joomla 4. Install it in your Joomla...

joomla4

149 Replies

11 Votes

Activity
23 October 2025

Started 15 November 2021 by Support Team

Can only see the "template404" template in Themler

Hi there, I have upgraded/migrated a Joomla 3 site to Joomla 4, and wanted to start recreating a template for the website. I installed a themler template I had functiooning on another Joomla 4...

MultiLingual Multilanguage joomla4 error-joomla4

9 Replies

0 Votes

Activity
08 October 2025

Started 29 September 2022 by gaatec

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

Hello, This bug is still not fixed : 0 - Cannot access protected property Joomla\CMS\Menu\MenuItem::$params It kicks in for me when a menu item is attached to an "alias" or "separator". When are...

joomla4

7 Replies

3 Votes

Activity
28 June 2023

Started 16 November 2022 by Pierre665

Help - Joomla4 CMS Content

Greetings I use Joomla4. I installed the white template for joomla 4 and created some content. I don't see the green CMS content in the left bar of the template panel. I can therefore not insert...

cms-content joomla4

10 Replies

1 Votes

Activity
09 May 2023

Started 17 November 2022 by WebIm

Article Area Single Page

Hello, I am using Themler Beta with Joomla 4. I can no longer edit each page individually with Themler because the "Article" section is missing. If "Post" is used, the same content is displayed on...

post article joomla4 same Joom4

3 Replies

0 Votes

Activity
04 May 2023

Started 20 April 2023 by service23

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