Unable To Enable The Audit

I facing the below issue while enable the audit on table.

SQL> audit delete on test;
audit delete on test
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-01400: cannot insert NULL into ("SYS"."AUDIT_DDL"."DICT_OBJ_TYPE")
ORA-06512: at line 2

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Related Information
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SQL> select version from v$instance;

VERSION
-----------------
11.2.0.2.0

SQL> show parameter audit;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
audit_file_dest string /orasw/product/11.2.0
/rdbms/audit
audit_sys_operations boolean FALSE
audit_syslog_level string
audit_trail string DB

SQL> SELECT TABLESPACE_NAME,owner from dba_tables where table_name='AUD$';

TABLESPACE_NAME OWNER
------------------------------ ------------------------------
AUDIT_DATA SYS