Hello
ORA-01114: IO error writing block to file (block # )
ORA-06512: at "SYS.DBMS_STATS", line 23829
ORA-06512: at "SYS.DBMS_STATS", line 23880
You have problem at the database side. Check the Oracle database alert log to know more about this error. Also check the SAP note 633914 - Error when executing DBMS_STATS for the error ORA-01114.
Reagan