Can't Run

I got my ArduBerry quite a few years ago, but have just got around to playing with it. I have a Raspberry Pi with the Raspbian Buster. I have cloned the github from the getting started and made an executable program,

sudo chmod -x

I have tried to run it twice, and this pops up:

user@raspberrypi:~/ArduBerry/Script $ ./
-bash: ./ Permission denied
user@raspberrypi:~/ArduBerry/Script $ sudo ./
sudo: ./ command not found

What can I do? Is the software not made for Buster? Has the project been terminated and no more updates are coming?