Can't install Espressif IDF plugin in Eclipse

[numbMr]

I'm trying to set up an Eclipse project for ESP32 but the repo location probably doesn't either get recognized leading to "Can't be installed" error, as seen [https://imgur.com/a/jjb7A9d][/here]:

here's the link that I'm following:
https://github.com/espressif/idf-eclips ... e-site-url