MarsSeed [1] filed a deletion request for ros-melodic-tf2-eigen [2]: ROS Melodic is EOL since mid-2023. This package is unbuildable (tries to execute a nonexistent script).
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-melodic-tf2-eigen/
