Error While adding Trinidad HTML Components to JSF Page

When we try to use trinidad html components inside JSF page in Jdeveloper, we will get error message that no grammar available for namespace http://myfaces.apache.org/trinidad/html"

Follow these steps to get rid of this error message

1. Right Click into the component palette and choose “edit tag libraries” from the context menu
2. Shuffle “Trinidad HTML Components 1.2” to the list of selected libraries and click Ok
3. Now try to add one of components from component palette à Trinidad HTMl. The message will disappear.