Not really, the best place to look is in the CMC.
You can then refer to this to check the version:-
https://bobj-board.org/t/149027
I have used this functionality, post here:-
https://bobj-board.org/t/97416/12
I can only assume you have a bug in your version, I have seen other posts talking about the issue.
Mak 1 
(BOB member since 2005-01-06)