HELPLIB.HLB  —  COBOL  Run-Time Messages, PRESVALBOUNDS
  argument to FUNCTION PRESENT-VALUE out of bounds.

  Explanation:  The  first argument  to FUNCTION PRESENT-VALUE
  must be greater than -1.

  User Action:   If this is not the desired result, modify the
  source  program  to  ensure a  valid  argument  or avoid the
  function with an invalid argument.
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