I can not save and sign the drug order. here is the screen shot,
{"error":
{"message":"[provider on class org.openmrs.Encounter]",
"code":"org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource:705",
"detail":"org.openmrs.module.webservices.rest.web.response.ConversionException: provider on class org.openmrs.Encounter\r\n\tat org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource.getProperty(BaseDelegatingResource.java:705)\r\n\tat org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource.setConvertedProperties(BaseDelegatingResource.java:608)\r\n\tat org.openmrs.module.webservices.rest.web.resource.impl.DelegatingCrudResource.create(DelegatingCrudResource.java:93)\r\n\tat org.openmrs.module.webservices.rest.web.v1_0.controller.MainResourceController.create(MainResourceController.java:91)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:177)\r\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446)\r\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)\r\n\tat org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)\r\n\tat org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:707)\r\n\tat org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:790)\r\n\tat org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:816)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1686)\r\n\tat org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:60)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:72)\r\n\tat org.openmrs.web.filter.GZIPFilter.doFilterInternal(GZIPFilter.java:64)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\r\n\tat org.openmrs.module.webservices.rest.web.filter.AuthorizationFilter.doFilter(AuthorizationFilter.java:108)\r\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\r\n\tat org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:82)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\r\n\tat org.openmrs.module.owa.filter.OwaFilter.doFilter(OwaFilter.java:57)\r\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\r\n\tat org.openmrs.module.xforms.web.XformsFilter.doFilter(XformsFilter.java:69)\r\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\r\n\tat org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:54)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:108)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)\r\n\tat org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)\r\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\r\n\tat org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\r\n\tat org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)\r\n\tat org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1156)\r\n\tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)\r\n\tat org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\r\n\tat org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1088)\r\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\r\n\tat org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)\r\n\tat org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)\r\n\tat org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119)\r\n\tat org.eclipse.jetty.server.Server.handle(Server.java:517)\r\n\tat org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:306)\r\n\tat org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242)\r\n\tat org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:245)\r\n\tat org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)\r\n\tat org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75)\r\n\tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213)\r\n\tat org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147)\r\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)\r\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)\r\n\tat java.lang.Thread.run(Thread.java:745)\r\n
Caused by: java.lang.NoSuchMethodException: Property 'provider' has no getter method\r\n\tat org.apache.commons.beanutils.PropertyUtilsBean.getSimpleProperty(PropertyUtilsBean.java:1127)\r\n\tat org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:686)\r\n\tat org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean.java:715)\r\n\tat org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:290)\r\n\tat org.openmrs.module.webservices.rest.web.resource.impl.BaseDelegatingResource.getProperty(BaseDelegatingResource.java:699)\r\n\t... 74 more\r\n"}}
Any suggestion on how to solve it?