Implemented error if base can't be loaded

scripts/client/setup.sh

@@ -4,7 +4,7 @@
 # @author Kevin Veen-Birkenbach [aka. Frantz]
 #
 # shellcheck source=/dev/null # Deactivate SC1090
-source "$(dirname "$(readlink -f "${0}")")/base.sh"
+source "$(dirname "$(readlink -f "${0}")")/base.sh" || echo "Loading base.sh failed." && exit 1
 SYSTEM_MEMORY_KB="$(grep MemTotal /proc/meminfo | awk '{print $2}')"
 echo "Start setup of customized core software..."
 echo "Copying templates to home folder..."