So you're saying you tried this more than once?
If so, and it kept screwing up, try turning DMA mode on/off.
Try again, if it doesn't work, get TTDS 1.19 with the TT-ADV.Dat thing.
Try again, if it doesn't work, get TTDS 1.11. It's amazing how NOTHING screws up on it (for me).
Try again, and if...