How can i use restart_2 model

I want to restart a simulation besed on the former result, but after set RUN_TYPE=“restart_2”, there was a error appear:

I deleted all .spx files and only kept LI_3D_TFM.RES file in my project. Did i miss some step?

Was anything written to the LI_3D_TFM.RES file? What size is it?