This is an unfortunate error that can occur when trying to save if you are using a bootleg version of Encore. Please contact the seller to get a refund.
The other downside, this version may contain a Virus that is uses your computer and your IP address to perform brut force attacks on websites.
Encore and MusicTime Deluxe are authenticated through the use of code signing. When installing our windows programs, the dialog window will show Passport Music Software, LLC as the Verified Publisher (screen shot attached)