This problem may be caused by a mismatch between the project file and your project type. Please try other project types to see if there is a consent problem.
It may be also caused by the failure of disc drive recognition, please try:
1. If you are using and external Optical Disc Drive Recorder, you can change to another USB port and try again. Some USB ports may not supply enough AC power
2. Please update the firmware or driver of the disc recorder and try again
3. Try to connect the burner to another SATA connector.