When uploading music for Virtual Encode, I'm receiving an error "StartIndex cannot be larger than length of string. Parameter name: startIndex", what does this mean?

When uploading music for Virtual Encode, I'm receiving an error "StartIndex cannot be larger than length of string. Parameter name: startIndex", what does this mean?

Your file has artwork attached or extra coding.  Please remove artwork and make sure your MP3's are in the following settings:

Bit Rate: 128 Frequency
Sample Rate: 44100
Mode: Stereo
No Artwork
No ID3 Tagging

If you do not have a way to change or convert an mp3, you can email the file to media@bdskc.com In the email body, please include artist name, song title, label (If you have one).