Installation issue with add_ppa.sh

[MJavadZallaghi]

I want to install the MRS UVA system. When I run:

curl https://ctu-mrs.github.io/ppa-stable/add_ppa.sh | bash

I'll retrieve this issue:

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   952  100   952    0     0    297      0  0:00:03  0:00:03 --:--:--   297
bash: Adding MRS Stable PPA repository
Reading package lists... Done
Building dependency tree       
Reading state information... Done
curl is already the newest version (7.68.0-1ubuntu2.22).
dpkg-dev is already the newest version (1.19.7ubuntu3.2).
gpg is already the newest version (2.2.19-3ubuntu2.2).
0 upgraded, 0 newly installed, 0 to remove and 8 not upgraded.
bash: "sudo curl -s --compressed -o /etc/apt/preferences.d/ctu-mrs-stable-preferences "https://ctu-mrs.github.io/ppa-stable/ctu-mrs-ppa-preferences.txt"" command failed with exit code 35

Is there any issue on the installation resources?

I'm on ROS Noetic.

Thanks in advance for any help.