kea-admin install scripts in usr/share/kea/kea/ but contain hardcoded usr/share/kea/
The package kea-admin-1.8.2-r0 installs is files in the path: usr/share/kea/kea/scripts/* The scripts contain hardcoded paths to: usr/share/kea/scripts/*Q
Quickfix: ln -s /usr/share/kea/kea/scripts /usr/share/kea/scripts
To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information