Error message when uploading form to ODK Collect

When having a closer look at your xlsform, I see that you are using some column header (like calculate which should be calculation) that is not compatible with the system:

Fix this and also validate it through this online validator which should help you identify syntax issues.

Besides, I also observed that you are tying to use the select_one_from_file question type. Maybe you could learn more on the same through our support article Select One or Many From External File Question Type.