What does this mean? Extra information: Invalid byte sequence in UTF-8 in line 1

rgeer3 wrote:Invalid byte sequence in UTF-8 in line 1

It's possible the wrong encoding type was used to create the file, or was introduced during editing. CSV file, correct? Where did the file come from, and how did you edit it (if you did)?

If possible, post a share link to it from Google Drive / Dropbox / etc. so we can take a look!