title: MenuItem must be inside a form element
body: <p>Why Show Error in my Application.</p>
  
  <pre>
  javax.faces.FacesException: MenuItem must be inside a form element
      at org.primefaces.component.menu.BaseMenuRenderer.encodeMenuItem(BaseMenuRenderer.java:161)
      at org.primefaces.component.menu.MenuRenderer.encodeElements(MenuRenderer.java:84)
      at org.primefaces.component.menu.MenuRenderer.encodeSubmenu(MenuRenderer.java:119)
      at org.primefaces.component.menu.MenuRenderer.encodeElements(MenuRenderer.java:88)
      at org.primefaces.component.menu.MenuRenderer.encodeMarkup(MenuRenderer.java:68)
      at org.primefaces.component.menu.BaseMenuRenderer.encodeEnd(BaseMenuRenderer.java:105)
  .......................
  </pre>
  
  <p>Model Class Here ......</p>
  
  <p><a href="http://www.primefaces.org/showcase/ui/menu/menu.xhtml" rel="nofollow">http://www.primefaces.org/showcase/ui/menu/menu.xhtml</a></p>