Errors in sdo_util on 12c

I am not getting any error, as shown below, using a few excerpts from the online documentation.  Can you run the same or similar script without error?  Can you post a run of a test case that does produce the error for you?

SCOTT@orcl12c> set long 2000;

SCOTT@orcl12c> SELECT banner FROM v$version;

BANNER

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Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production

PL/SQL Release 12.1.0.1.0 - Production

CORE    12.1.0.1.0    Production

TNS for 64-bit Windows: Version 12.1.0.1.0 - Production

NLSRTL Version 12.1.0.1.0 - Production

5 rows selected.

SCOTT@orcl12c> CREATE TABLE cola_markets

  2    (mkt_id    NUMBER PRIMARY KEY,

  3      name    VARCHAR2(32),

  4      shape    SDO_GEOMETRY);

Table created.

SCOTT@orcl12c> INSERT INTO cola_markets VALUES

  2    (2, 'cola_b',

  3      SDO_GEOMETRY

  4        (2003, NULL, NULL,

  5         SDO_ELEM_INFO_ARRAY (1,1003,1),

  6         SDO_ORDINATE_ARRAY(5,1, 8,1, 8,6, 5,7, 5,1)));

1 row created.

SCOTT@orcl12c> INSERT INTO user_sdo_geom_metadata (TABLE_NAME, COLUMN_NAME, DIMINFO, SRID) VALUES

  2    ('cola_markets', 'shape',

  3      SDO_DIM_ARRAY

  4        (SDO_DIM_ELEMENT('X', 0, 20, 0.005),

  5         SDO_DIM_ELEMENT('Y', 0, 20, 0.005)),

  6      NULL);

1 row created.

SCOTT@orcl12c> CREATE INDEX cola_spatial_idx ON cola_markets(shape) INDEXTYPE IS MDSYS.SPATIAL_INDEX;

Index created.

SCOTT@orcl12c> SELECT SDO_UTIL.TO_WKTGEOMETRY (shape) FROM cola_markets WHERE name = 'cola_b';

SDO_UTIL.TO_WKTGEOMETRY(SHAPE)

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POLYGON ((5.0 1.0, 8.0 1.0, 8.0 6.0, 5.0 7.0, 5.0 1.0))

1 row selected.