Solution
A possible reason for this error occur is encoding issue on the database file. Try the steps below:
1. Open the file in Notepad. You will see that the current encoding is ANSI in the bottom-right of the screen.
2. Select File >> Save As, change the text encoding to UTF-8 and save the file.
3. Select File >> Save As, change the text encoding back to ANSI and save the file.