Nifity Bug

When trying to load in the Nifity example file as instructed in the tutorial an error occurred resulting in "HeaderDataError: data code 26996 not recognized".Locally could not/has not been resolved will attach the full error output.
[nifty_bug.txt](https://github.com/user-attachments/files/17168555/nifty_bug.txt)

Start with the tutorial instructions for loading the Nifity example file and reproduce the failure described in nifty_bug.txt. Trace the HeaderDataError reporting that data code 26996 is not recognized; the issue is done when the instructed example loads successfully without that error.

Written by the indexing model from the issue text.