[Ti] ILLEGAL REQUEST...INCOMPATIBLE FORMAT

[Mikael Byström]

Dr Trevor J. Hutley said:

>I have burnt another 10 DVD (archives) since then, and each time  
>carefully kept the content at 4.2Gb or less, and have had no more  
>problems.
>I agree with all of your analysis and conclusions, based on my total  
>experience these last few days, that it is a (small) issue with  
>Toast, with the resulting ungraceful handling and stack of errors.

Only if another burn application doesn't have a problem with the same
media. Have you tried Disk Utility for example? Just make a big disk
image and fill it up to 4450MB (practical max for many drives) or try more.
Until you have tried another app it's just a theory.