I'm doing flash animations this week, and I keep getting many error messages when I preview the flash animation. Maybe I need to start with the basics again because there must be something I'm doing wrong. Well, here is the error messages.

Frame 1: Duplicate tween of characters named "Logo"
Frame 1: Duplicate tween of shapes named "Logo"
Frame 4: Unpaired character named "Logo"
Frame 4: Can't tween character named "Logo": Shape change
Frame 4: Can't tween character named "Logo": Graduation position change