Projectile impacting eroding plate

I have two questions about abaqus *.inp files.

first of all, as you may know, users are capable of running these type of example files through this way:

File> Import> Model...> SIMULIA>documentation>docs> v6.12> books> eif> *.inp

but when i run each of them (for instance Projectile impacting eroding plate: pl3d_erode_ccs.inp) , two important question marks above them will arised.