Some drives (like the early JVCs) do not support the use of SCMS flags. If any are set within a MasterList file, an error message will appear when entering Write or Test modes. The following should prevent the SCMS error flag appearing:1) Ensure that no SCMS flags have been checked in the PQ subcode window.2) Ensure that the SCMS flag is unchecked in the preferences window.The specific feature set (including supported PQ codes) of each CD-R is shown on the compatible CD recorder specification grid included with MasterList CD.