Forms Set_Block_Property

[Quoted] Hello All,

I am trying to set where clause for a block. The code follows error description. [Quoted] If a leave the field blank the condition is set properly, otherwise it gives me [Quoted] FRM-40505 error: unable to perform query.

What I am doing wrong ?

I appreciate any suggestions.

Thanks in advance.

DECLARE
  blk_id Block;
BEGIN
  blk_id := Find_Block('PACRESULT');
  IF NOT Id_Null(blk_id) THEN
    IF (:findpac.item_contacto IS NOT NULL) THEN [Quoted]       Set_Block_Property(blk_id, DEFAULT_WHERE, ' PACRESULT.TELEFONE1 LIKE %' || :findpac.item_contacto || '% ASC');

    ELSE
      Set_Block_Property(blk_id,DEFAULT_WHERE, '');     END IF;
[Quoted]     Set_Block_Property(blk_id,ORDER_BY, 'CLIENTE');     GO_BLOCK('PACRESULT');
    EXECUTE_QUERY;
  ELSE
    Message('O bloco PACRESULT não existe.');     RAISE Form_Trigger_Failure;
  END IF;
END;

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Breno de Avellar Gomes 
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