When I change parent page of some page, Confluence shows following error.
See the following error
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type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.springframework.dao.DataIntegrityViolationException: (Hibernate operation): data integrity violated by SQL ''; nested exception is java.sql.BatchUpdateException: Duplicate key or integrity constraint violation message from server: "Duplicate entry '482-0' for key 1"
org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.translate(SQLStateSQLExceptionTranslator.java:88)
org.springframework.orm.hibernate.HibernateAccessor.convertJdbcAccessException(HibernateAccessor.java:249)
org.springframework.orm.hibernate.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:231)
org.springframework.orm.hibernate.HibernateTemplate.execute(HibernateTemplate.java:205)
org.springframework.orm.hibernate.HibernateTemplate.executeFind(HibernateTemplate.java:220)
com.atlassian.confluence.pages.persistence.dao.hibernate.HibernatePageDao.getDescendents(HibernatePageDao.java:421)
com.atlassian.confluence.pages.DefaultPageManager.getDescendents(DefaultPageManager.java:165)
com.atlassian.confluence.pages.DefaultPageManager.removePageFromAncestorCollections(DefaultPageManager.java:192)
com.atlassian.confluence.pages.DefaultPageManager.updatePageInAncestorCollections(DefaultPageManager.java:170)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.springframework.aop.framework.AopProxyUtils.invokeJoinpointUsingReflection(AopProxyUtils.java:61)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:149)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:116)
com.atlassian.confluence.util.profiling.SpringProfilingInterceptor.invoke(SpringProfilingInterceptor.java:16)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:138)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:56)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:138)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:152)
$Proxy11.updatePageInAncestorCollections(Unknown Source)
com.atlassian.confluence.pages.actions.EditPageAction.updateParentPage(EditPageAction.java:258)
com.atlassian.confluence.pages.actions.EditPageAction.doSaveEditPageBean(EditPageAction.java:200)
com.atlassian.confluence.pages.actions.EditPageAction.doEdit(EditPageAction.java:238)
sun.reflect.GeneratedMethodAccessor1144.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:302)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:170)
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.intercept(DefaultWorkflowInterceptor.java:55)
com.atlassian.confluence.core.ConfluenceWorkflowInterceptor.intercept(ConfluenceWorkflowInterceptor.java:69)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
com.atlassian.confluence.core.ConfluenceValidationInterceptor.intercept(ConfluenceValidationInterceptor.java:16)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.atlassian.confluence.security.actions.PermissionCheckInterceptor.intercept(PermissionCheckInterceptor.java:40)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.atlassian.confluence.pages.actions.PageAwareInterceptor.intercept(PageAwareInterceptor.java:94)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.atlassian.confluence.spaces.actions.SpaceAwareInterceptor.intercept(SpaceAwareInterceptor.java:82)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.atlassian.confluence.core.ConfluenceAutowireInterceptor.intercept(ConfluenceAutowireInterceptor.java:25)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.atlassian.confluence.util.XWorkTransactionInterceptor.intercept(XWorkTransactionInterceptor.java:133)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115)
com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:229)
com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:199)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
com.atlassian.confluence.util.profiling.ProfilingPageFilter.parsePage(ProfilingPageFilter.java:150)
com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
com.atlassian.confluence.util.UserThreadLocalFilter.doFilter(UserThreadLocalFilter.java:46)
com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:182)
com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:177)
com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:96)
org.springframework.orm.hibernate.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:170)
bucket.custom.FlushingSpringSessionInViewFilter.doFilterInternal(FlushingSpringSessionInViewFilter.java:31)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:73)
com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:132)
com.atlassian.confluence.util.error.ProfilingAndErrorFilter.doFilter(ProfilingAndErrorFilter.java:27)
com.atlassian.core.filters.gzip.GzipFilter.doFilter(GzipFilter.java:61)
com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:37)