Zbrush. Distortion after creating a displacement map

Pavel7

Hi everybody! There is a problem. I had exported a model from 3dsmax to zbrush.Unwrap was creating in max. Added details of damage.And after creating a displacement map a distortion have formed in that places where the seams of unwrap are located.

Please tell me how to fix this.The result is bad at rendering.

Regards. 
Before creating map   
And after

gnoop

Displacement  in regular off-line renderer  does suppose having pretty dense mesh tessellation beneath it and often subdivision  based surface with no hard/split edges at all.  

try subdivide mesh couple times , make it all single smooth group  and bake texture for that  

Pavel7

Thank you,for answer!