I've fixed in PR19. Just one minor correction to the advice above (which was very good)
Meantime replace the following line in the NetWeb.tpw
#Insert(%GenerateFormButtons,%IncludeSaveButton,%IncludeDeleteButtonA,%IncludeCancelButton,0)
by
#Insert(%GenerateFormButtons,0,%IncludeSaveButton,%IncludeDeleteButtonA,%IncludeCancelButton,0)
The new parameter should be a 0, not a 1.
cheers
Bruce