TMPGEnc DVD Author GOP is too long

[mfavcd]

when loading mpeg files into "TMPGEnc DVD Author" i get a message saying "GOP is too long", what doea that mean, and how can i sort it out,
thanks
Dan
mfavcd

[Gecko]

In "TMPGEnc DVD Author" try using the 3:2 pull-down progressive setting and then
lowering your i frames to 12 and the p frames to 2

[brad]

You can probably just ignore it and all will be fine. You might not have set your GOP settings correctly.. If you're using CCE make sure N=3 M=4.
brad

[mfavcd]

where do you go to change the settings,
and you cant ignore, if it comes up "GOP is to long" is says "error that cant be ignored" so i cant skip it,
i know "MPGEnc" has loads of options n stuff, but "dvd creator" doesnt, or does it, i cant find it, any clues
Thanks Alot
Dan
mfavcd