External User Management is marked as readonly but it is still attmepting to write to Crowd.

om.atlassian.core.exception.InfrastructureException: Application "devsuite-bamboo" does not allow user modifications
	at bucket.user.DefaultUserAccessor.saveUser(DefaultUserAccessor.java:228)
	at com.atlassian.bamboo.user.BambooUserManagerImpl.saveUser(BambooUserManagerImpl.java:139)
	at com.atlassian.bamboo.user.BambooUserManagerImpl.saveUser(BambooUserManagerImpl.java:123)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at $Proxy6.saveUser(Unknown Source)
	at com.atlassian.bamboo.ww2.actions.admin.user.ConfigureUser.execute(ConfigureUser.java:82)
	at com.atlassian.bamboo.ww2.actions.admin.user.ConfigureUser.doUpdateExternalUser(ConfigureUser.java:134)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)