Gwenny

Hello I've just bought Spriter Pro and, after hours of failures, i'm coming to you. Each time I tryed to export my animation as a PNG/GIF file, I've got an error message like that :http://imageshack.com/a/img905/2511/yjhlfk.png And i'm not able to save the project etiher.... So I've spent hours animating my character and the soft doesnt allow me to use it !!!! Does anyone can help me ? Forgive my bad english, I'm french ^^ See U Gwenny