If you did not refuse the negative decision (Widerspruch) , your Asylum ID isn't worth anything anymore. They could send you back to the Dublin state or to your home in worsed case.
You have to refuse as quick as you can ! Go to a lawyer and tell him to make the "Widerspruch" oder "Klage" TODAY !
Search for help in german fefugee-helping places, cafes or something else.
They can tell you, where to go and what to do.
Best wishes for you.