Can't install utPLSQL on AlwaysFree ATP 21c

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Validating installation
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PACKAGE BODY        UT_COVERAGE_REPORT_HTML_HELPER                                                                                                            1         93         41
PLS-00201: identifier 'DBMS_OBFUSCATION_TOOLKIT.MD5' must be declared

PACKAGE BODY        UT_COVERAGE_REPORT_HTML_HELPER                                                                                                            2         93          5
PL/SQL: Statement ignored

begin
*
ERROR at line 1:
ORA-20000: Not all sources were successfully installed.
ORA-06512: at line 3

SQL> set serveroutput on
declare
SQL>   2    l_version varchar2(255);
  l_compatibility varchar2(255);
  3    4  begin
  5    dbms_utility.db_version( l_version, l_compatibility );
  6    dbms_output.put_line( l_version );
  7    dbms_output.put_line( l_compatibility );
  8  end;
  9  /
21.0.0.0.0
21.0.0

PL/SQL procedure successfully completed.

SQL> select substr(ut.version(),1,60) as ut_version from dual;
select * from v$version;
select substr(ut.version(),1,60) as ut_version from dual
              *
ERROR at line 1:
ORA-00904: "UT"."VERSION": invalid identifier


select * from nls_session_parameters;
SQL>
BANNER                                                                           BANNER_FULL                                                                                                                                                      BANNER_LEGACY                                                                        CON_ID
-------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------- ----------
Oracle Database 21c Enterprise Edition Release 21.0.0.0.0 - Production           Oracle Database 21c Enterprise Edition Release 21.0.0.0.0 - Production                                                                                           Oracle Database 21c Enterprise Edition Release 21.0.0.0.0 - Production                    0
                                                                                 Version 21.2.0.0.0


SQL>
PARAMETER                                                                                                                VALUE
------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
NLS_LANGUAGE                                                                                                             AMERICAN
NLS_TERRITORY                                                                                                            AMERICA
NLS_CURRENCY                                                                                                             $
NLS_ISO_CURRENCY                                                                                                         AMERICA
NLS_NUMERIC_CHARACTERS                                                                                                   .,
NLS_CALENDAR                                                                                                             GREGORIAN
NLS_DATE_FORMAT                                                                                                          DD-MON-RR
NLS_DATE_LANGUAGE                                                                                                        AMERICAN
NLS_SORT                                                                                                                 BINARY
NLS_TIME_FORMAT                                                                                                          HH.MI.SSXFF AM
NLS_TIMESTAMP_FORMAT                                                                                                     DD-MON-RR HH.MI.SSXFF AM

PARAMETER                                                                                                                VALUE
------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
NLS_TIME_TZ_FORMAT                                                                                                       HH.MI.SSXFF AM TZR
NLS_TIMESTAMP_TZ_FORMAT                                                                                                  DD-MON-RR HH.MI.SSXFF AM TZR
NLS_DUAL_CURRENCY                                                                                                        $
NLS_COMP                                                                                                                 BINARY
NLS_LENGTH_SEMANTICS                                                                                                     BYTE
NLS_NCHAR_CONV_EXCP                                                                                                      FALSE

17 rows selected.

SQL> select substr(dbms_utility.port_string,1,60) as port_string from dual;

PORT_STRING
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
x86_64/Linux 2.4.xx

SQL>

SQL*Plus: Release 19.0.0.0.0 - Production on Thu Mar 11 07:57:59 2021
Version 19.9.0.0.0