ERROR - The program contains a DECLARE STRING CONSTANT statement where
  the  value  assigned  to  the  constant  exceeds the maximum number of
  characters allowed  for  string  constant  expressions.   The  maximum
  length  of  a  string  constant  expression  at  compile-time  is  498
  characters.  Change the string  constant  to  a  string  variable  and
  assign the string expression to the variable at run-time.