try either
Code:
e1=ent_create("bola_simple32.mdl",vector(0,0,20),mover1);
wait(1);
e2=ent_cloneskin(e1);
e2.z=40;
or
Code:
e1=ent_create("bola_simple32.mdl",vector(0,0,20),mover1);
e2=ent_cloneskin(e1);
wait(1);
e2.z=40;


It MAY be a timing issue where you are
A> trying to clone the entity before it is fully created.
or
B> trying to adjust the properties of a cloned object before the clone process is complete.

I have seen this on large, complex, big-texture models before.
But there seems to be no real pattern.

"There is no fate but what WE make." - CEO Cyberdyne Systems Corp.
A8.30.5 Commercial