Hi Sovarian,
I created that TDR in DIAdem 2020. I guess there's some new feature in the 2D graph that is not backwards compatible, which is unusual. I verified that I also could NOT load that TDR in my DIAdem 2018, then I recreated the TDR in DIAdem 2018. Hopefully this one will work for you.
Brad Turpin
Senior Technical Support Engineer
National Instruments
