I understood the DBL admin was using PT8, now they have clarified they ARE using PT9, but were seeing the language issues in PT8 and thought that was the reason PT9 DBL upload was complaining.
I noticed that even in PT9, Thulung flashes ENG and then displays TDH, in Project Properties.
So I opened the Manage Registrations in PT9, resaved the language settings in the Registry and did S/R. It no longer flashes ENG. Hopefully it will upload now.
Sorry for the misunderstanding.