Parameters incorrect?

When I try to clone a particular DVD it says: read error, parameters incorrect.
I can copy other titles just fine…how can I correct this?

[QUOTE=tfp;2009210]When I try to clone a particular DVD it says: read error, parameters incorrect.
I can copy other titles just fine…how can I correct this?[/QUOTE]

Which software version are you using? What dvd are you copying?? What region are you at and the region of the dvd?