JabRef version: git commit g61e1a159cc

Steps to reproduce the behavior:

1. See my PKGBUILD for Arch Linux under Arch Linux https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=jabref-git

Basically I use ./gradlew assemble and ./gradlew jlink

I get
Could not find de.saxsys:mvvmfx-validation:1.9.0-SNAPSHOT.

Full buildlog :
buildlog.txt