David Mendiola
Pls see this error

{ "status" : { "code" : 401, "name" : "Unauthorized", "description" : "The request requires HTTP authentication." }, "message" : "05280013 Authentication failed for Web Script org\/alfresco\/repository\/dictionary\/classes.get", "exception" : "org.springframework.extensions.webscripts.WebScriptException - 05280013 Authentication failed for Web Script org\/alfresco\/repository\/dictionary\/classes.get", "callstack" : [ "" ,"org.springframework.extensions.webscripts.WebScriptException: 05280013 Authentication failed for Web Script org\/alfresco\/repository\/dictionary\/classes.get" ,"org.alfresco.repo.web.scripts.RepositoryContainer.executeScriptInternal(RepositoryContainer.java:425)" ,"org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:301)" ,"org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:378)" ,"org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209)" ,"org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:132)" ,"javax.servlet.http.HttpServlet.service(HttpServlet.java:728)" ,"org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)" ,"org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)" ,"org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)" ,"org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)" ,"org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)" ,"org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61)" ,"org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)" ,"org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)" ,"org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)" ,"org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)" ,"org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)" ,"org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)" ,"org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)" ,"org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)" ,"org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)" ,"org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)" ,"org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)" ,"org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)" ,"org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)" ,"java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)" ,"java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)" ,"java.lang.Thread.run(Thread.java:748)" ], "server" : "Community v5.1.0 (r122274-b3) schema 9,016", "time" : "Jun 28, 2018 7:00:27 PM" }