404 - Path /org/scalaz/scalaz_2.13.0-M4.sha1 not found in group repository "Fusesource Proxy group of all external release repositories" [id=m2-release-proxy].

Path /org/scalaz/scalaz_2.13.0-M4.sha1 not found in group repository "Fusesource Proxy group of all external release repositories" [id=m2-release-proxy].