It doesn't seem to actually tell me which opening I'm supposed to be doing? I just played "1. d4" and it said it was the wrong. Then after playing "1. e4" it s

It doesn't seem to actually tell me which opening I'm supposed to be doing? I just played "1. d4" and it said it was the wrong. Then after playing "1. e4" it said I'm playing the spanish mainline.