Help! I cannot save my projects and my brushes textures aren't loading

Hi to everyone, i want to save my toonboom proyect and i have this error.

Even when i press ok the problem persist

I ussed toon boom for a year and i never have this error.

I tried to reinstall multiple times, delete all the files, and even change the version (form toon boom 16 to 17) but the problem still happen. i dont know what more to do.