Error while clustering back trajectories

[npiatrunia]

I am trying to cluster back trajectories in Hysplit. I am getting an error message that I have never seen before and I am not sure how to resolve it (see attachment below). I am only using trajectories for the days during which it rained at the site of interest. I also produced copies of the trajectories based on the amount of rain (for amount-weighted clustering). I have checked the length of the trajectories to make sure that all files are 72 hours long. I would really appreciate any and all the help I can get. And I am really looking forward to your suggestions.

Best,
Natasha Piatrunia

[alicec]

The program should also create a CMESSAGE file in your working directory.
Can you see what it says?

[npiatrunia]

Hi, I actually figured it out! I just used the wrong files for the clustering. I really appreciate your timely response.