Installation issue

[wa-zahid]

Getting this error while installation
[InvalidArgumentException]
Could not find a version of package kkiapay/kkiapay-php matching your minimum-stability (stable). Require it with a
n explicit version constraint allowing its desired stability.

[iamdanajr]

Hi
You have to specify the version like this : composer require kkiapay/kkiapy:dev-mater