Unable to reload server after adding role and executing :reload

[standalone@localhost:9990 /connect
[standalone@localhost:9990 /] ./core-service=management/access=authorization/role-mapping=Operator:add
{"outcome" => "success"}
[standalone@localhost:9990 /] :reload
{
    "outcome" => "success",
    "result" => undefined
}
[standalone@localhost:9990 /] 

15:15:02,275 INFO  [org.jboss.as.server] (Controller Boot Thread) JBAS015888: Creating http management service using socket-binding (management-http)
15:15:02,278 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) JBAS014612: Operation ("add") failed - address: ([
    ("core-service" => "management"),
    ("access" => "authorization"),
    ("role-mapping" => "SuperUser")
]): java.lang.UnsupportedOperationException
	at java.util.Collections$UnmodifiableMap.put(Collections.java:1342) [rt.jar:1.7.0_17]
	at org.jboss.as.controller.access.management.WritableAuthorizerConfiguration.addRoleMappingImmediate(WritableAuthorizerConfiguration.java:163) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.domain.management.access.RoleMappingAdd$1.execute(RoleMappingAdd.java:76) [wildfly-domain-management-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:609) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.controller.AbstractOperationContext.doCompleteStep(AbstractOperationContext.java:487) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.controller.AbstractOperationContext.completeStepInternal(AbstractOperationContext.java:277) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:272) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.controller.ModelControllerImpl.boot(ModelControllerImpl.java:321) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.controller.AbstractControllerService.boot(AbstractControllerService.java:290) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.server.ServerService.boot(ServerService.java:356) [wildfly-server-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.server.ServerService.boot(ServerService.java:331) [wildfly-server-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at org.jboss.as.controller.AbstractControllerService$1.run(AbstractControllerService.java:252) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
	at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_17]

15:15:02,287 INFO  [org.jboss.as.controller] (Controller Boot Thread) JBAS014774: Service status report
JBAS014775:    New missing/unsatisfied dependencies:
      service jboss.remoting.endpoint.management (missing) dependents: [service jboss.remoting.management.channel.registry] 

15:15:02,290 FATAL [org.jboss.as.server] (Controller Boot Thread) JBAS015957: Server boot has failed in an unrecoverable manner; exiting. See previous messages for details.
15:15:02,297 INFO  [org.jboss.as] (MSC service thread 1-1) JBAS015950: WildFly 8.0.0.Beta1-SNAPSHOT "WildFly" stopped in 2ms