MongoDB Appender can't be installed due to missing import

Unable to resolve root: missing requirement [root] osgi.identity; osgi.identity=decanter-appender-mongodb; type=karaf.feature; version="[2.3.0.SNAPSHOT,2.3.0.SNAPSHOT]"; filter:="(&(osgi.identity=decanter-appender-mongodb)(type=karaf.feature)(version>=2.3.0.SNAPSHOT)(version<=2.3.0.SNAPSHOT))" [caused by: Unable to resolve decanter-appender-mongodb/2.3.0.SNAPSHOT: missing requirement [decanter-appender-mongodb/2.3.0.SNAPSHOT] osgi.identity; osgi.identity=decanter-appender-mongodb-core; type=karaf.feature [caused by: Unable to resolve decanter-appender-mongodb-core/2.3.0.SNAPSHOT: missing requirement [decanter-appender-mongodb-core/2.3.0.SNAPSHOT] osgi.identity; osgi.identity=org.apache.karaf.decanter.appender.mongodb; type=osgi.bundle; version="[2.3.0.SNAPSHOT,2.3.0.SNAPSHOT]"; resolution:=mandatory [caused by: Unable to resolve org.apache.karaf.decanter.appender.mongodb/2.3.0.SNAPSHOT: missing requirement [org.apache.karaf.decanter.appender.mongodb/2.3.0.SNAPSHOT] osgi.wiring.package; filter:="(osgi.wiring.package=org.slf4j.impl)"]]]