Issue while uploading our dataset to Roboflow

I ran into the following issue while uploading our dataset to Roboflow over the web interface:

Uploading our entire dataset (9000 images) without the corresponding labels results in a dataset of 8744 ‘Not Annotated’ images on Roboflow, meaning 256 images have been ‘ignored’. All images are JPEGs and use the same naming format. I’ve confirmed the issue occurs on multiple computers.

I’ve isolated one of the images that does not upload (fox_new_727.JPG) and observed the following behavior:

  • fox_new_727.JPG can be opened and viewed on a computer

  • Uploading fox_new_727.JPG by itself does not cause issues and works as it is supposed to

  • Uploading fox_new_727.JPG together with any other image causes Roboflow to ignore fox_new_727.JPG

Would you have any idea what could be causing this? I’ve attached the fox_new_727.JPG image.