I was just thinking that 0.0 might be too precise for whatever program was going to accept them and that it was expecting some non-zero number since you put in the point.  Since 0 = 0.0 I'd try just plain 0 at least once to see what happens.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)