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avatar crimle
crimle
29 May 2019

Steps to reproduce the issue

Goto Components > Joomla! Update > Options
Set Update Channel = Custom URL
Set Custom URL = https://update.joomla.org/core/nightlies/next_major_list.xml
Start and confirm the update process
After the update is accomplished click the [ControlPanel] button

Expected result

The ControlPanel is displayed without error message

Actual result

The ControlPanel is displayed with the following error message

An error has occurred.
0 Class 'Joomla\Plugin\Quickicon\Joomlaupdate\Extension\Joomlaupdate' not found
Return to ControlPanel

Click [Return to ControlPanel] but the error message persits. You will not get to the ControlPanel any more.

System information (as much as possible)

Update was performed from Joomla! 4.0.0-alpha8-dev to Joomla! 4.0.0-alpha10-dev
PHP Version 7.3.4

Additional comments

avatar crimle crimle - open - 29 May 2019
avatar joomla-cms-bot joomla-cms-bot - change - 29 May 2019
Labels Added: ?
avatar joomla-cms-bot joomla-cms-bot - labeled - 29 May 2019
avatar brianteeman
brianteeman - comment - 29 May 2019

Updates when in alpha are not really supported. This is a known issue and can be fixed by deleting this file \libraries\autoload_psr4.php
It will then be automagically regenerated and your site will work

avatar franz-wohlkoenig
franz-wohlkoenig - comment - 29 May 2019

closed for Reason stated above.

avatar franz-wohlkoenig franz-wohlkoenig - change - 29 May 2019
Status New Closed
Closed_Date 0000-00-00 00:00:00 2019-05-29 10:41:12
Closed_By franz-wohlkoenig
avatar franz-wohlkoenig franz-wohlkoenig - close - 29 May 2019

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