Oracle - isupplier portal Invoicing error

problem ：
#ORACLE——iSupplier Click the financial tab of the portal and an error will be reported. It cannot be found Could not load application module 'oracle.apps.ap.invoice.request.server.InvoiceRequestAM'. Excuse me, uu Have you met ？

Report errors ：
Exception Details.
oracle.apps.fnd.framework.OAException: Could not load application module 'oracle.apps.ap.invoice.request.server.InvoiceRequestAM'.
at oracle.apps.fnd.framework.webui.OAJSPApplicationRegistry.registerApplicationModule(OAJSPApplicationRegistry.java:279)
at oracle.apps.fnd.framework.webui.OAJSPApplicationRegistry.registerApplicationModule(OAJSPApplicationRegistry.java:78)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1348)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:582)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:470)
at _pages.__oa._jspService(__oa.java:233)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.fnd.security.WLFilter.doFilter(WLFilter.java:216)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.jtf.cabo.interceptor.JTFWrapperFilter.doFilter(JTFWrapperFilter.java:149)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(Unknown Source)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:432)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:138)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:464)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:121)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:211)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:163)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3748)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3714)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2283)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2182)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1499)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

Detail 0

oracle.adf.mds.exception.MDSRuntimeException: Unable to find component with absolute reference = /oracle/apps/ap/invoice/request/webui/InvoiceRequestPG, XML Path = {1}. Please verify that the reference is valid and the definition of the component exists either on the File System or in the MDS Repository.
<Line 2, Column 1>: XML-20108: (Fatal Error) Start of root element expected.
at oracle.adf.mds.internal.MetadataManagerBase.getUserCustomizationData(MetadataManagerBase.java:2503)
at oracle.adf.mds.internal.MetadataManagerBase.getTransAndCustHelper(MetadataManagerBase.java:2426)
at oracle.adf.mds.internal.MetadataManagerBase.getTransAndCust(MetadataManagerBase.java:2112)
at oracle.adf.mds.internal.MetadataManagerBase.findElement(MetadataManagerBase.java:1482)
at oracle.adf.mds.MElement.findElement(MElement.java:97)
at oracle.apps.fnd.framework.webui.OAPageBean.getFunctionName(OAPageBean.java:8818)
at oracle.apps.fnd.framework.webui.OAHttpSessionCookieImpl.validateIcxCookie(OAHttpSessionCookieImpl.java:142)
at oracle.apps.fnd.framework.OASessionCookieHelper.validateIcxSession(OASessionCookieHelper.java:477)
at oracle.apps.fnd.framework.OASessionCookieHelper.initializeApplicationModule(OASessionCookieHelper.java:127)
at oracle.apps.fnd.framework.webui.OAHttpSessionCookieImpl.initializeApplicationModule(OAHttpSessionCookieImpl.java:971)
at oracle.apps.fnd.framework.webui.OAHttpSessionCookieImpl.useApplicationModule(OAHttpSessionCookieImpl.java:520)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:424)
at oracle.apps.fnd.framework.webui.OAJSPApplicationRegistry.registerApplicationModule(OAJSPApplicationRegistry.java:208)
at oracle.apps.fnd.framework.webui.OAJSPApplicationRegistry.registerApplicationModule(OAJSPApplicationRegistry.java:78)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1348)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:582)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:470)
at _pages.__oa._jspService(__oa.java:233)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.fnd.security.WLFilter.doFilter(WLFilter.java:216)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.jtf.cabo.interceptor.JTFWrapperFilter.doFilter(JTFWrapperFilter.java:149)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(Unknown Source)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:432)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:138)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:464)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:121)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:211)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:163)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3748)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3714)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2283)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2182)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1499)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
oracle.adf.mds.exception.MDSRuntimeException: Unable to find component with absolute reference = /oracle/apps/ap/invoice/request/webui/InvoiceRequestPG, XML Path = {1}. Please verify that the reference is valid and the definition of the component exists either on the File System or in the MDS Repository.
<Line 2, Column 1>: XML-20108: (Fatal Error) Start of root element expected.
at oracle.adf.mds.internal.MetadataManagerBase.getUserCustomizationData(MetadataManagerBase.java:2503)
at oracle.adf.mds.internal.MetadataManagerBase.getTransAndCustHelper(MetadataManagerBase.java:2426)
at oracle.adf.mds.internal.MetadataManagerBase.getTransAndCust(MetadataManagerBase.java:2112)
at oracle.adf.mds.internal.MetadataManagerBase.findElement(MetadataManagerBase.java:1482)
at oracle.adf.mds.MElement.findElement(MElement.java:97)
at oracle.apps.fnd.framework.webui.OAPageBean.getFunctionName(OAPageBean.java:8818)
at oracle.apps.fnd.framework.webui.OAHttpSessionCookieImpl.validateIcxCookie(OAHttpSessionCookieImpl.java:142)
at oracle.apps.fnd.framework.OASessionCookieHelper.validateIcxSession(OASessionCookieHelper.java:477)
at oracle.apps.fnd.framework.OASessionCookieHelper.initializeApplicationModule(OASessionCookieHelper.java:127)
at oracle.apps.fnd.framework.webui.OAHttpSessionCookieImpl.initializeApplicationModule(OAHttpSessionCookieImpl.java:971)
at oracle.apps.fnd.framework.webui.OAHttpSessionCookieImpl.useApplicationModule(OAHttpSessionCookieImpl.java:520)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:424)
at oracle.apps.fnd.framework.webui.OAJSPApplicationRegistry.registerApplicationModule(OAJSPApplicationRegistry.java:208)
at oracle.apps.fnd.framework.webui.OAJSPApplicationRegistry.registerApplicationModule(OAJSPApplicationRegistry.java:78)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1348)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:582)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:470)
at _pages.__oa._jspService(__oa.java:233)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.fnd.security.WLFilter.doFilter(WLFilter.java:216)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.jtf.cabo.interceptor.JTFWrapperFilter.doFilter(JTFWrapperFilter.java:149)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(Unknown Source)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:432)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:138)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:464)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:121)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:211)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:163)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3748)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3714)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2283)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2182)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1499)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)