New Taxonomy terns don't show up

Hey all,
Drupal 8.2.4 site after migrating from drupal 6.
Try to add a new vocabulary with term.
Everything looks O.k except that the new term don’t show up.
I know that they are inserted to the database but for some reason I don’t see the new terms.

This is what i am doing.
(short video of the problem…)

I disabled all contrib modules but nothing changed.
Any suggestion for a solution will be great

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/21/feed