invalid sort process specified

  Explanation:  One of the following sort type codes was passed to
  the  routine  package:   - Less than one or greater than four if
  file I/O - Not equal to one if record I/O - An invalid key  word
  in  command PROCESS Legal values are 1 through 4 for file I/O; 0
  for record I/O; and RECORD,  TAG,  INDEX,  or  ADDRESS  for  the
  PROCESS command parameter.

  User Action:  Specify a different sorting process.