Error using HYS drag model

I am exploring the different drag models that might be useful for a fixed bed. I wanted to try to use the HYS model but, for some reason mfix does not recognize the the model and continues to try to use the model until the program crashes. Does anyone know why this is? Does the HYS model just not work? i have tried using it in both 19.3.1 and 20.1.2.

Hi Kwasiaddo. Are you still seeing this problem? If so can you share your project file?

Hi, i am still unable to use that drag model for any of my DEM simulations. I am able to use them for TFM simulations though. I have attacked the project file here Halloway_file.mfx (15.0 KB)