Websheet AI E370: Wrong File Format

A link should be a valid link to an audio file in a correct format

Supported file formats include mp3, mp4, mpeg, mpga, m4a, wav, and webm. Ensure that your link is to a file in one of these formats
The URL should be valid and must contain 'https://', following the format: https://somelink/filename.mp3.
The file size should be under 25MB.