Permission denied (publickey) di version control cpanel

saya baru pertama kali pakek git dan github, sdh buat projek dan push ke repo di akun github (repo private), selanjutnya saya mau upload repo tsb ke version control cpanel menggunakan ssh, saya sdh buat ssh dan memasukkkan ke akun github dan di ssh acces di cpanel, tapi pada saat create version control di cpanel muncul kode sperti ini : Error: (XID b4fj7k) “/usr/local/cpanel/3rdparty/bin/git” reported error code “128” when it ended: Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists. link gambar kode error

mohon solusinya .