2016-06-02 15:56:57,569 ERROR [org.springframework.extensions.webscripts.AbstractRuntime] [http-apr-8080-exec-8] Exception from executeScript - redirecting to status template error: 05020003 Failed to compile model 'myZ:myModel'
org.alfresco.service.cmr.dictionary.DictionaryException: 05020003 Failed to compile model 'myZ:myModel'
	at org.alfresco.repo.dictionary.CompiledModel.<init>(CompiledModel.java:126)
	at org.alfresco.repo.dictionary.M2Model.compile(M2Model.java:174)
	at org.alfresco.repo.dictionary.DictionaryModelType$DictionaryModelTypeTransactionListener$2.doWork(DictionaryModelType.java:627)
	at org.alfresco.repo.security.authentication.AuthenticationUtil.runAs(AuthenticationUtil.java:555)
	at org.alfresco.repo.dictionary.DictionaryModelType$DictionaryModelTypeTransactionListener.beforeCommit(DictionaryModelType.java:574)
	at org.alfresco.util.transaction.TransactionSupportUtil$TransactionSynchronizationImpl.doBeforeCommit(TransactionSupportUtil.java:535)
	at org.alfresco.util.transaction.TransactionSupportUtil$TransactionSynchronizationImpl.doBeforeCommit(TransactionSupportUtil.java:514)
	at org.alfresco.util.transaction.TransactionSupportUtil$TransactionSynchronizationImpl.beforeCommit(TransactionSupportUtil.java:479)
	at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerBeforeCommit(TransactionSynchronizationUtils.java:95)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerBeforeCommit(AbstractPlatformTransactionManager.java:925)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:738)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:724)
	at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:475)
	at org.alfresco.util.transaction.SpringAwareUserTransaction.commit(SpringAwareUserTransaction.java:482)
	at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:486)
	at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:587)
	at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:656)
	at org.alfresco.repo.web.scripts.RepositoryContainer.executeScriptInternal(RepositoryContainer.java:428)
	at org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:308)
	at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:382)
	at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:210)
	at org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:132)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.alfresco.module.aosmodule.service.ContextRootFilter.doFilter(ContextRootFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:68)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2466)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2455)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.alfresco.service.cmr.dictionary.DictionaryException: 05020002 Class '{myZ.model}mytypeA' is a part of a cyclic reference within model 'myZ:myModel'
	at org.alfresco.repo.dictionary.CompiledModel.resolveInheritance(CompiledModel.java:288)
	at org.alfresco.repo.dictionary.CompiledModel.<init>(CompiledModel.java:114)
	... 49 more