Hello, i try to  do sweep command. i have used with no problems until now.When i used sweep command it was sweeping this shape into a solid.Now, when i sweep it converts it into a surface.Do you have a solution to sweep this shape into a solid and not in a surface ?uploads/526420/dormitor_lupu.dwg

i tryed sweep command with surface mode 1 - 0 but it creates surface or nurbs surfaces.i tryed extrude command with solid mode on but it says :path curve is coplanar with or tangent to the plane of the profile curve

You must be doing something wrong then.  The key line in the error message is the last one that starts "curve path is coplanar...."  You'll have to try again.

Hello 4riders and John, I have open your file and found :5 Solids OK , 6 closed polylines OK for the command : EXTRUDE and 2 non coplanar lines.Please let us know on which entity you have a problem.