Custom skins problem

Hello everyone my name is Francesco and for several days I have display problems now I will explain to you when I go to insert the folder of the skin I have chosen in the folder of the path sports interactive / football manager 2021 / skin by opening the game by going to preferences by clearing the cache by selecting it and then reloading the skin and waiting for the loading come out the new changes with the new skin but not in a complete way I do an example the home screen is displayed but not the dressing room behind and the coach and the writing alongside why this problem? I hope someone of you can help me I wish you a good day hello. : D: b: