Write. Just sit and write. Write anything. It doesn't have to make sense. I don't write linearly. I'm what they call a pantser. I don't plot. I just write. If I've written 50K words and it makes no sense, I may nix it. But usually something will start forming around the 20K word mark and then I will have a direction that I can take. When I feel I've finished, I go back and read the mess I wrote and start editing, copying and pasting scenes that I think are out of order and at the end…it all works out. BUT--don't throw out whatever you nix. It may not make sense now, but in a year from now, you may reread it, and there may be a story in there somewhere.