Questions tagged [administrator]

This tag is for questions related to the Administrator application (backend) of a Joomla site. The administrator site can be reached through the URL http://example.com/administrator.

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FieldsPlugin onCustomFieldsPrepareDom $field on save different on front and backend

I currently develop a FieldPlugin for myself. I noticed some things and don't understand them fully right now. My plugin works in the backend perfect, but raises errors on the frontend, so I did some ...
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2 votes
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230 views

Joomla 1.5 Administrator URL not working

I've inherited a quite old site running Joomla 1.5. I unfortunately cannot find the URL for the admin login. www.website.net/administrator returns a 404 error. The server is running php 7.2. Any tips ...
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1 vote
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25 views

Make a custom user field searchable and sortable in administrator list

I'm trying to figure how to make a custom user field searchable, and sortable, in admin users panel. My custom field stores a client ID. As I can have multiple accounts per ID, i'd like to make this ...
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31 views

409 Conflict on Joomla 4 administrator backend

I am building a site using Joomal 4. I developed it on my local and uploaded that to the server. All the public pages of the site are rendering properly, but when I try to open the /administrator page,...
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  • 111
1 vote
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66 views

Cannot install/manage extensions due to 403: Access to the Joomla! installer is disabled

I'm trying to install extensions and plugins on my site, but when I hit the Extensions > Install/Manage buttons, I keep getting a message that says: 403: Access Forbidden, Access to the Joomla! ...
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97 views

How do I upload images to a specific folder (Component Backend)

I would like to know how I upload files to a specific folder through Joomla Administrator Panel (My Component Backend). I know how to do it in the site part following along with this tutorial: https:/...
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1 vote
1 answer
40 views

No "Apply" button when attempting to duplicate an administrator menu

I tried to duplicate an administrator menu, but this is not possible due to a missing "apply" button. Is there any settings or circumstances where this can happen? I recorded a little gif to ...
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  • 111
1 vote
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364 views

Joomla 4 alpha display modal with insert image button

I am developing a custom module in Joomla4 alpha, using a bootstrap rendered modal window so that the user of the component will assign images from media in the Joomla back end to the extension ...
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1 vote
0 answers
101 views

how to use mod_rewrite in joomla backend

how i can change the displayed address administrator/index.php?option=com_content&view=article&layout=edit to administrator/content/article/edit by using htaccess file in joomla
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19 views

Language pre-selection based on user group

Administrator area. When user login, I need to preselect categories, articles and modules based on the user's main group. Group EN Group ES Group IT For each group you have specific "language&...
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  • 133
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1 answer
58 views

Call to undefined method Joomla\CMS\Application\AdministratorApplication::isSite()

I'm having this error in Joomla for some reason: Call to undefined method Joomla\CMS\Application\AdministratorApplication::isSite() I see other posts with this error, but I suppose they are using ...
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0 votes
1 answer
64 views

Custom User plugin for the group

Looking for the info to have a custom User plugin but instead it shows up in the User, it needs to show up in the (User) group (backend Joomla Administrator). There is a very good example how to ...
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40 views

Problem with "Privacy > Request > Email Data Export"

I get the following error when trying to send data to the user. The security token did not match. The request was aborted to prevent any security breach. Please try again." I don't know what it ...
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140 views

Warning! Internet Explorer should not be used error, on mobile browsers

After some problems with a Joomla 4( beta 6) install on ubuntu 18.04 with Nginx tried another instance for test purposes. This time on an Ubuntu 20 server with Litespeed( Open LS). Wich I don't know ...
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43 views

How can I get the values of the form on my admin page

I have a form on my admin page of my component, and I can edit the fields and save them. When I load the page the saved fields show. Say for example in a blog_category menu item. I create a new menu ...
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401 views

Joomla 3.9.13 - Error: Failed to start application

I just installed version 3.9 joomla in local using xampp. Once the installation was finished correctly I tried to navigate the site and the backend. After loading a few pages, this annoying error ...
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  • 223
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53 views

Redirect administrator login page of multiple Joomla websites hosted in Apache server

I have around 10 Joomla websites hosted on Apache server. The admin URLs are similar to below patterns. http://m1.aa.example.com/administrator http://m2.aa.example.com/administrator . ...
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377 views

Error: "Invalid controller class: display"

I've installed Joomla 4 to test with, and I'm getting this error on every attempt to login to the admin: Invalid controller class: display I've re-installed and am using the latest alpha release. ...
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130 views

Can't connect to Joomla administration page after Windows10 update

I'm using Joomla version 3.9.6. I encountered a problem just after a windows update. The error displayed is: Warning: session_start(): Failed to read session data: user (path: C:\xampp\tmp) in C:\...
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253 views

Com_Users - Edit ACL - Not allowed (locked)

For some reason, this says Not Allowed (locked) I can change every other user group to allowed and it works. But not this one. Even public! I'm so confused as to why this would be. I mean, people ...
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1 answer
145 views

Admin Component File Upload -> Cannot Get JInput to work

I am struggling to get an admin form file upload to work using JInput. I have tried pretty much every permutation of $input->files->get(''); I can think of with no luck. No matter what I do, it ...
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88 views

Category Manager: How to show a list of a category AND ONLY its subcategory?

I have hundreds of categories on one Joomla site. Using the Joomla administrator category manager, I'd like to find a way to list a category AND ONLY its children subcategories. To be clear, I'd ...
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108 views

Create custom HTML page as administrator menu in Joomla 3.7

As we know Joomla 3.7 permits to create custom administrator menus, but is it somehow possibile to create "Custom HTML" administrator single item menu? Something like creating single article menu on ...
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  • 437
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131 views

3.6x Administrator - add class to squeezebox iframe on popup

My goal is to be able to change the content within AddtoMenu - so I can set the language by default rather than "all" - I want "en-gb" or "zh-TW" etc. based on my content type (am using FLEXIcontent). ...
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  • 505
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0 answers
127 views

How to use a Toolbar Button without redirect?

I am developing a Joomla Administrator Component. In the Toolbar, I created a Button via JToolBarHelper::custom('administrat.saveIt', 'save.png', 'save.png', 'SOME_TEXT', false); In my controller, ...
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0 votes
1 answer
74 views

JomSocial Extension causes error: 0 String could not be parsed as XML

I have installed a JomSocial extension and now I am seeing an error: 0 String could not be parsed as XML screenshot of error The same error message is also presented in the title tag of my ...
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0 votes
1 answer
175 views

Always force limitstart=0 for component's paginated lists when revisiting the list

I am facing problem with Joomla listing. When I log-in into Joomla admin panel and use pagination for listing, if I click and visit the 3rd page of the paginated data of the 3rd page, then go to ...
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  • 11
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2 answers
414 views

I can't access the control panel in joomla 3.4

Trying permits users, the next problem arose me; I can access the backend with my super user keys, but not visualize when accessing the control panel of joomla, only information about users, but not ...
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-1 votes
1 answer
862 views

Unable to access administrator page - joomla 3.5.1

So, I've done a fresh install of Joomla 3.5.1 and when I go to /administrator, it simply will not let me log in. I'm more than certain I'm entering correct information, I've checked to ensure ...
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