Settings modcluster/ssl-context conflict issue

/subsystem=modcluster/mod-cluster-config=configuration:write-attribute(name=ssl-context,value=clientSSLContext)

/subsystem=modcluster/mod-cluster-config=configuration/ssl=configuration

{
    "outcome" => "success",
    "response-headers" => {
        "operation-requires-reload" => true,
        "process-state" => "reload-required"
    }
}

reload

2017-03-13 10:13:45,394 ERROR [org.jboss.as.controller.management-operation] (ServerService Thread Pool -- 51) WFLYCTL0013: Operation ("add") failed - address: ([("subsystem" => "modcluster")]): java.lang.IllegalStateException: WFLYMODCLS0020: Only one of 'ssl-context' attribute or 'ssl' resource can be defined!
        at org.wildfly.extension.mod_cluster.ModClusterConfigurationServiceBuilder.configure(ModClusterConfigurationServiceBuilder.java:225)
        at org.wildfly.extension.mod_cluster.ModClusterSubsystemAdd.performBoottime(ModClusterSubsystemAdd.java:80)
        at org.jboss.as.controller.AbstractBoottimeAddStepHandler.performBoottime(AbstractBoottimeAddStepHandler.java:157)
        at org.jboss.as.controller.AbstractBoottimeAddStepHandler.performRuntime(AbstractBoottimeAddStepHandler.java:116)
        at org.jboss.as.controller.AbstractAddStepHandler$1.execute(AbstractAddStepHandler.java:151)
        at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:979)
        at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:722)
        at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:441)
        at org.jboss.as.controller.ParallelBootOperationStepHandler$ParallelBootTask.run(ParallelBootOperationStepHandler.java:381)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.lang.Thread.run(Thread.java:785)
        at org.jboss.threads.JBossThread.run(JBossThread.java:320)