I uploaded a large dataset of Amazon reviews to Kobra. It's almost 100 mb, so definitely not small. I wanted to rename one of the columns once it was in there, so I used the mini-editor in Kobra. When trying to save the change, it gave the error that file 'does not exist'. I tried to print a random value from the dataset, and it just prints null. However, Kobra doesn't throw any errors when I set a data variable to the dataset I uploaded, and the dataset shows as uploaded (when I clicked to edit it, all the values showed up normally as well - it's clearly there). I checked through the docs and I uploaded the file just as they describe, and it's a standard .csv file. The dataset itself is available on kaggle here, and it's been used in research before.

Am I doing something wrong?

I'm working on a pretty new PC running Windows 10, and I use Chrome, so I don't think it's my machine.

Screenshot of code/workspace (you can also see the null values from the print statement):

Screenshot of error when trying to edit file:

Let me know if there's any other pieces of info I can provide! Kobra seems like a very cool tool that I'm hoping to continue using.