Can't Upload Warcraft Logs (File too big) - Regardless of size

Our live logger dc’d during one of our heroic kills yesterday so it didn’t upload the kill for that fight. We decided to manually upload it later but it doesn’t work for anyone. It keeps asking to split my file size (1.5gb) and when I do it just makes 1 file the same size and once again says file size too big. I asked other people in my guild and everyone is getting the same error regardless of file size - one of our guys has a 57mb file and it still says file size too big please split the log.

Also on a side note 1.5gb seems a little big - I just reinstalled my OS and this was my first day of raiding so to have a 1.5gb log file seems insane after only 1 day