How to delete custom VO (oracle.apps.xxgmo.dispense.server.MaterialListVOEx ) in standard OAF form

We upgrade from 12.1.3 to 12.2.12

and when run form dispensing (OAF form) this error appears

Exception Details.
	oracle.apps.fnd.framework.OAException: oracle.jbo.NoDefException: JBO-25002: Definition oracle.apps.xxgmo.dispense.server.MaterialListVOEx of type View Definition not foundat oracle.apps.fnd.framework.webui.OAPageErrorHandler.prepareException(OAPageErrorHandler.java:1358)at oracle.apps.fnd.framework.webui.OAPageErrorHandler.processErrors(OAPageErrorHandler.java:1545)at oracle.apps.fnd.framework.webui.OAPageBean.processRequest(OAPageBean.java:3291)at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:2261)at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:593)at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:484)at _pages.__oa._jspService(__oa.java:233)at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at oracle.apps.fnd.security.csrf.GuardFilter.doFilter(GuardFilter.java:275)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at oracle.apps.fnd.security.WLFilter.doFilter(WLFilter.java:162)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at oracle.apps.jtf.cabo.interceptor.JTFWrapperFilter.doFilter(JTFWrapperFilter.java:151)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:527)at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:253)at weblogic.servlet.jsp.PageContextImpl.forward(PageContextImpl.java:159)at _pages.__oa._jspService(__oa.java:246)at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)at weblogic.servlet.internal.StubSecurityHelper$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.csrf.GuardFilter.doFilter(GuardFilter.java:275)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at oracle.apps.fnd.security.WLFilter.doFilter(WLFilter.java:162)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at oracle.apps.jtf.cabo.interceptor.JTFWrapperFilter.doFilter(JTFWrapperFilter.java:151)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:527)at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:253)at weblogic.servlet.jsp.PageContextImpl.forward(PageContextImpl.java:159)at _pages.__rf._jspService(__rf.java:239)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.csrf.GuardFilter.doFilter(GuardFilter.java:319)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at oracle.apps.fnd.security.WLFilter.doFilter(WLFilter.java:162)at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)at oracle.apps.jtf.cabo.interceptor.JTFWrapperFilter.doFilter(JTFWrapperFilter.java:151)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:504)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:3751)at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3717)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:2286)at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2185)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)