Think this happened shortly after I got my M1 as well. I just shrugged it off... keep your temporary paper license on you until it expires, even if you get a new card in the mail. When you get hassled by cops it gives you a bit of noob cred and they might be more inclined to let you go with a "warning". Worked my first two pullovers. Third time I had my new card and the officer seemed skeptical when I told him I just started riding and he wrote me a ticket.