MarsSeed [1] filed a deletion request for ros-indigo-xmlrpcpp [2]: This is from the 2014 release of the 'ROS - Robot Operating System' Broken because of missing Python 2 dependencies. ROS has much newer releases and supports Python 3.8+ so there is no need to keep these defuct old packages in AUR. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-indigo-xmlrpcpp/