DVDSubEdit Error message

[KeyMaster92]

Hi, I've a problem concerning DVDSubedit. With a particular dvd, whenever I try to change the timing of a subpic (delay it), I get this error message:

"The SPU stream has multiple SPU's in the same VOBU.

Re-timing might cause some SPU's to appear in the wrong order. Do you want to continue?"

Should I take this message seriously or won't it probably have any effect on my subtitle-order?
When it does, is there a way to fix it? (Whats a VOBU!?)Thanks!!

[setarip_old]

Hi!Should I take this message seriously or won't it probably have any effect on my subtitle-order?
When it does, is there a way to fix it?For the couple of minutes it will take, simply try it...

[KeyMaster92]

For the couple of minutes it will take, simply try it...

Yes, but how do I know which subtitles change order. I can't simply check all subtitles... Or does it only affect the subtitles I alter?

[jeanl]

This message appears when a subpic stream has more than 1 SPU (subtitle) in a given VOBU (about .5s of video). I would take this message seriously and avoid retiming it... There are no easy way (currently) to check which SPUs would change order...
Jeanl