the COUPLED flag is set indicating that this is
  the live area of a single file database, but the SNAP flag is
  also set for a SNAPSHOT, contradicting the previous flag

  Explanation:  The COUPLED flag is set indicating  that  this  is
  the  live  area  of a single-file database, but the SNAP flag is
  also set  for  a  SNAPSHOT,  contradicting  the  previous  flag.
  Verification of the FILID continues.

  User Action:  Correct the error with the RMU Restore command  or
  the SQL IMPORT statement and verify the database again.