Hi,
Categories does not displaying, open-close buttons (+ sign).
I imported the same categories.csv file both on prestashop_1.5.2.0 version and on prestashop_1.5.3.1 version.
prestashop_1.5.2.0 have no problem.
But the final version of prestashop (1.5.3.1) does not showing open-close bu...