DEFAULT is incompatible with datatype of <str> "<str>"."<str>"

  Explanation:  The DEFAULT specified is not compatible  with  the
  datatype of the routine parameter or module global variable.

  User Action:  Ensure that  the  datatype  of  the  parameter  or
  variable and the DEFAULT (SQL) are compatible.  Check the domain
  used by the parameter or variable to verify consistency  between
  datatypes and DEFAULTs.