Unsupported datatype in DECLARE variable statement

  Explanation:  The data type for the DECLARE variable statement
  is not supported.  This applies to the interactive DECLARE
  variable statement and the multistatement procedure DECLARE
  variable statement.  This message is also generated if the
  DECLARE variable statement uses a DOMAIN whose data type is
  unsupported.

  User Action:  Declare the variable with a supported data type or
  supported domain data type.