Wrong day - Lost

Today was not a good day at all, I went out for the upcoming holiday season shopping and I have lost my wallet in the crowd. I am not so sure whether someone took it or not but it seems like it dropped somewhere or perhaps I lost it somehow. My mood was ruined completely because my bank cards, documents, and some other things had just gone. I am not too worried about other things because they can be recovered and reissued but I have lost an important document which is making me scared.

I really don't know what to do...

~Nesaty