404 - Path /org/json4sbt/json4sbt-ast_2.10/ not found in group repository "Fusesource Proxy group of all external release repositories" [id=m2-release-proxy].

Path /org/json4sbt/json4sbt-ast_2.10/ not found in group repository "Fusesource Proxy group of all external release repositories" [id=m2-release-proxy].