Undelete a provider attribute not working

Hi,

I am trying to undelete a provider attribute using following code:

Method POST URL https://myhost/openmrs/ws/rest/v1/provider/cfcfd609-32fe-4443-917d-8a7ada6136f7/attribute/0a6af955-7676-4e12-bd03-4461e94ddb08

with body as {"deleted": "false"} but I am getting :

{
	"error": {
		"message": "[deleted on class org.openmrs.ProviderAttribute]",
		"code": "org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource:757",
		"detail": "org.openmrs.module.webservices.rest.web.response.ConversionException: deleted on class org.openmrs.ProviderAttribute\n\tat org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource.getProperty(BaseDelegatingResource.java:757)\n\tat org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource.setConvertedProperties(BaseDelegatingResource.java:681)\n\tat org.openmrs.module.webservices.rest.web.resource.impl.DelegatingSubResource.update(DelegatingSubResource.java:137)\n\tat org.openmrs.module.webservices.rest.web.v1_0.controller.MainSubResourceController.update(MainSubResourceController.java:147)\n\tat sun.reflect.GeneratedMethodAccessor1329.invoke(Unknown Source)\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat java.lang.reflect.Method.invoke(Method.java:498)\n\tat org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:177)\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446)\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)\n\tat org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)\n\tat org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)\n\tat org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)\n\tat org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:661)\n\tat org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:742)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:60)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:72)\n\tat org.openmrs.web.filter.GZIPFilter.doFilterInternal(GZIPFilter.java:64)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.webservices.rest.web.filter.AuthorizationFilter.doFilter(AuthorizationFilter.java:105)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.webservices.rest.web.filter.ContentTypeFilter.doFilter(ContentTypeFilter.java:64)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:82)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.owa.filter.OwaFilter.doFilter(OwaFilter.java:57)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:54)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:108)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\n\tat org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)\n\tat org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)\n\tat org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)\n\tat org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)\n\tat org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)\n\tat org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)\n\tat org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)\n\tat org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)\n\tat org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)\n\tat org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)\n\tat org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)\n\tat org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\n\tat java.lang.Thread.run(Thread.java:750)\nCaused by: java.lang.NoSuchMethodException: Unknown property 'deleted'\n\tat org.apache.commons.beanutils.PropertyUtilsBean.getSimpleProperty(PropertyUtilsBean.java:1122)\n\tat org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:686)\n\tat org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean.java:715)\n\tat org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:290)\n\tat org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource.getProperty(BaseDelegatingResource.java:751)\n\t... 78 more\n"
	}
}

Any idea what am I missing?

My Rest API version is 2.31.0.omod
OpenMRS  platform 2.1.4
Ref-App version 2.8.0

Thanks

This is not implemented for sub resources.