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Resolved .Net Toolkit doesn't work at all anymore after latest upgrade

JAustin

New Pleskian
Server operating system version
Ubuntu 20.04.6 LTS
Plesk version and microupdate number
Plesk Obsidian 18.0.74 Update #3
Hello,

after the latest Update of the net-Toolkit it is impossible to open the settings for the .net Website, it displays only this message

1767943161528.png

Trying to access the general extension page where I can install the .Net Core versions displays this.
Screenshot 2026-01-09 081826.png


The full stacktrace is as followed:
Code:
Action "undefined" does not exist and was not trapped in __call():
0: /opt/psa/admin/plib/vendor/plesk/zf1/library/Zend/Controller/Action.php:485
    Zend_Controller_Action->__call(string 'undefinedAction', array)
1: /opt/psa/admin/plib/vendor/plesk/zf1/library/Zend/Controller/Action.php:518
    Zend_Controller_Action->dispatch(string 'undefinedAction')
2: /opt/psa/admin/plib/vendor/plesk/zf1/library/Zend/Controller/Dispatcher/Standard.php:308
    Zend_Controller_Dispatcher_Standard->dispatch(object of type Zend_Controller_Request_Http, object of type Zend_Controller_Response_Http)
3: /opt/psa/admin/plib/vendor/plesk/zf1/library/Zend/Controller/Front.php:954
    Zend_Controller_Front->dispatch()
4: /opt/psa/admin/plib/pm/Application.php:87
    pm_Application->run()
5: /opt/psa/admin/htdocs/modules/dot-net/index.php:4

Uninstalling and reinstalling does not help.



Additionally, if I add environment variables to this, where are they stored on the server? I'd really need to set up some environment variables for the websites.
 
Update: Ok, I just found out that others can access the .NET Toolkit just fine. It's just me who can't access it apparently. How could this happen?

Another Update: It's because of Edge. Firefox works. Please close
 
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