If you dream of the scar, then it means that the negative memories or emotions has not disappeared and makes you remember them from time to time. The dream remembers you about feelings that have caused lots of pain, therefore you keep dreaming about them. The scars could also show uncertainties from the past, therefore you are unable to move forward and make a new tasks or decisions.
Scar dream meaning
Read more about dreaming of Scar in other dream meanings interpretations.