why "Define placement area" is off in Eplan2.1?

hi to all
Ive imported a simple stp file(a cube that Ive created by heeksCAD)in Eplan pro panel, But I cant define a placement area on it because "define Placement area" button is deactivated.why?
tnX

Hi xmanx,

I have the same problem. Do you get a answer?

Thanks

Renan

i have the same problem of you. "Ive imported a simple stp file(a cube that Ive created by heeksCAD)in Eplan pro panel, But I cant define a placement area on it because "define Placement area" button is deactivated.why?"
solving of this problem is very important for me.
if you have solved it, pleas contact me.
best regard
([email protected]

define a reference point in the stl file (normally 0,0)