SharePoint 2013 Term-Driven Pages Friendly URL page not found error

Solution:

Follow below steps..

Open SharePoint site.
Site Settings.
Term store management.

Expand term store.
Select your term.
Select "NAVIGATION" tab

Under Navigation Node Type

Set: Term-Driven Page with Friendy URL
Save

Now Click on "TERM-DRIVEN PAGES" tab
Under: Target Page Settings
Check: Change target page for this term
Click Browse next to "Change target page for this term" Select any page from Page Libraray.

Save.

Note: Select Root Term Set Group.
Select "INTENDED USE".
Enable: Use this Term Set for Site Navigation.
Other wise term store will not come as navigation url.