Are you working in a remote file system or mounted file system?... Where is your Cubic project folder located? Is /home/sunny/Downloads/Ubuntu-Unity-iso (from your screenshot) a mounted or a local folder?
Are you working in a remote file system or mounted file system?... Downloads/ Ubuntu- Unity-iso (from your screenshot) a mounted or a local folder?
Where is your Cubic project folder located?
Is /home/sunny/