new delivered unrecognized

Hello
My subject is the liveries that I add in GndHanling / Liveries.
The new deliveries appear fine in Plugins / GroundHandling / Liveries as the picture shows, but when I select a new delivered I always see the default one, I have uninstalled / installed several times always the same, I even followed the advice and deleting the .obj files it makes me crash X-Plane 11.50.

Namely that I am on X-Plane 11.50 Vulkan and that I (downloaded the last version of GNDDeluxEXP11.50.
Can you advise me to solve the problem

Saulutions
Luciano