Exporting as JPG’s is kind of the same! black and yellow on a blue background for the Normal maps and pink on red background for height map?

hi I use armorpaint 8 and blender. using the textur of … when I save it the normal maps are absent. gives me an empty png … I don’t understand what could be … a bug? Does this lack happen only to me?!

this is what appears in blenderIstantanea_2022-08-09_15-13-15