@Komal-Sharma
Hi Komal and at first a want to thank you for your help.
I've installed UVDesk by using composer.
I've executed the command you are mentioned in your Post, but this doesn't change anything with my problem.
Here are the Versions I am using regarding UVDesk:
uvdesk/automation-bundle v1.1.1
UVDesk Community Helpdesk Automations Bundle
uvdesk/composer-plugin v1.1.0
Generic purpose composer plugin to auto-configure your packages
uvdesk/core-framework v1.1.2
UVDesk Community Helpdesk Core Framework Bundle
uvdesk/extension-framework v1.1.0
UVDesk Community Helpdesk Extension Framework Bundle
uvdesk/mailbox-component v1.1.2
The Mailbox component provides tools that allows your helpdesk ...
uvdesk/support-center-bundle v1.1.2
UVDesk Community Helpdesk Customer Support Center Bundle
Kind regards