iFRame does not exist

Hello together,

I want to use the UI Element iFrame. I go to the WD Layout Register and click with the right mouse button on the tree component rootuielementcontainer. I click on insert an UI Element, but I don't find the UI Element iFRame.

We have the following components:

SAP_BASIS 711/SP12

SAP_ABA   711/SP12

Have you any idea ?

Thanks wolfgang