FabioLolix [1] filed a deletion request for kde4-ftps-kio [2]:
Likely uploaded broken, this have conflicts=('') since forever which
lead to
==> ERROR: conflicts is not allowed to be empty.
==> ERROR: Could not download sources.
Fails to build for missing cmake as makedepends and don't declare any
depends or makedepends on kde4 which is needed
CMake Error at /usr/share/cmake/Modules/FindKDE4.cmake:61 (message):
ERROR: Could not find KDE4 kde4-config
[1] https://aur.archlinux.org/account/FabioLolix/
[2] https://aur.archlinux.org/pkgbase/kde4-ftps-kio/