Open core not opening

I’m using a late 2008 MacBook unibody (MacBook5,1) and every time I try to run opencore, it simply doesn’t. I ran the terminal code and it gave me this error. Not sure where it came from, but I had to extract the file onto an usb drive and move it onto my MacBook (from windows) to get the software on because safari and chrome wouldn’t load the GitHub assets. Anyone know anything about this? Sorry the image is blurry, it’s the best I can get