Loop only executes 1 line

My loop is only executing the modify method once. What I don't understand is that with the same logic it correctly returns the oracle output. can you help me?NOTE: The cursor is returning more than 1 line.

DECLARE
  -- VARIAVEIS DA MODIFICAÇÃO
  p0_ VARCHAR2(32000);
  p1_ VARCHAR2(32000);
  p2_ VARCHAR2(32000);
  p3_ VARCHAR2(32000) := 'ACTIVE' || chr(31) || 'FALSE' || chr(30);
  p4_ VARCHAR2(32000) := 'DO';

  user_ VARCHAR2(32000);
  --VARIAVEIS DA MENSAGEM
  stream_ FND_STREAM_TAB%ROWTYPE;

  --BUSCAR OBJID E OBJVERSION DO USUÁRIO
  CURSOR GET IS(
    SELECT a.OBJID, a.OBJVERSION, a.IDENTITY
      FROM FND_USER a
     WHERE a.ACTIVE = 'TRUE'
       AND a.IDENTITY IN
           (SELECT b.USERNAME
              FROM ORACLE_ACCOUNT b
             WHERE b.PROFILE = 'DEFAULT'
                  --    AND (b.LAST_LOGIN <= (SYSDATE - 34) OR b.LAST_LOGIN IS NULL)
               AND (NVL(b.LAST_LOGIN, b.OBJVERSION)) <= (SYSDATE - 34)));

BEGIN

  FOR REC IN GET LOOP

    user_ := REC.IDENTITY;
    p1_   := REC.OBJID;
    p2_   := REC.OBJVERSION;

  DBMS_OUTPUT.PUT_LINE('Column1: ' || user_ || ', Column2: ' || p1_);

      FND_USER_API.Modify__(info_       => p0_,
                            objid_      => p1_,
                            objversion_ => p2_,
                            attr_       => p3_,
                            action_     => p4_);

      /*                stream_.from_user   := '';
        stream_.to_user     := 'IFSSIM';
        stream_.header      := 'Usuário bloqueado!';
        stream_.message     := 'O usuário ' || user_ ||
                               ' foi bloqueado por não acessar o sistema a 34 dias.';
        stream_.stream_type := 'GENERAL';
        stream_.lu_name     := '';
        stream_.url         := '';

        FND_STREAM_API.New_Stream_Item(stream_);
      */

  END LOOP;

END;