Clear the cache of project using this command:
php bin/console c:c
in your project root directory. Now try setup again of UVdesk.
Try with 2 method: Manual Setup:
Make a try once manual setup of UVdesk.
Check the below link for the manual setup from here
Note: Once you clear the cache of your browser and the project cache.
If still facing the error please let us know.
Mail your query to us at firstname.lastname@example.org. Our team will help you.