VMS Help  —  RMU72  COSI_ERRORS, PARMDEL
  invalid parameter delimiter - check use of special characters

  Explanation:  A command contains an invalid character  following
  the  specification  of  a  parameter, or an invalid character is
  present in a file specification.

  User Action:   Check  the  command  string  for  a  spelling  or
  grammatical error.  Reenter the command.
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