Despite having granted all permissions, the same message keeps appearing. I made a video that you can view here.
Hello, To attempt a resolution of this issue, please : 1. Uninstall Parallels Toolbox. 2. Reboot your Mac. 3. Download and install Parallels Toolbox using the following link: https://download.parallels.com/toolbox/v6/6.7.0-5122/ParallelsToolbox-6.7.0-5122.dmg 4. Attempt to reproduce the issue. If it persists, please collect a Technical report for our investigation. To do this, reproduce the issue and collect a technical report (click the Parallels Toolbox icon > Settings (Gear) icon > Help > Send technical data > check "Attach screenshots..." > press Send Report) and send the report's 9-digit ID in reply to this post.