Try switching the track style to an early one. Like a Schwarzkopf looper, Intamin hyper, etc. New styles weren't out yet when the Construction Kit was created.
Try switching the track style to an early one. Like a Schwarzkopf looper, Intamin hyper, etc. New styles weren't out yet when the Construction Kit was created.
I tried that, it didn't work. I tried opening another coaster that was originally an earlier track style and I had the same problem.
Make sure the model you have selected for the "primary crosstie" is a valid file path to that model. That means go into your file browser and find that file.
sigh... did you put the crossties in a separate folder from NCK, a folder in NCK, or the crossties directly next to NCK? If I recall right the crossties can't be in any separate folders. they also have to be ocobject files.