In some way you are either not being honest with yourself or others, or are being deceived in some way. If you are involved in a deal of some sort, look carefully at what is being presented.
There might also be the possibility that you are copying someone else’s work, or money is being got on false pretences. This is sometimes an attempt to achieve success by using a lie or someone else’s work.
Is it document such as a passport that is being forged? What is being achieved by what is dreamt of?
What does the dream suggest results from the forgery and how does that link with my life?
Am I the forger or the victim of forgery?
What is it in my life that connects with this?