wakamue [1] filed a deletion request for koodo-reader [2]: Please change the the package version in the source variable from PKGBUILD file to match the current version (1.3.4 current/v1.3.1 in source link.
[1] https://aur.archlinux.org/account/wakamue/ [2] https://aur.archlinux.org/pkgbase/koodo-reader/