ORA-20001: Latest xml inventory is not loaded into

Unable to obtain current patch information due to error: 20001, ORA-20001: Latest xml inventory is not loaded into table
ORA-06512: at "SYS.DBMS_QOPATCH", line 777
ORA-06512: at "SYS.DBMS_QOPATCH", line 864
ORA-06512: at "SYS.DBMS_QOPATCH", line 2222
ORA-06512: at "SYS.DBMS_QOPATCH", line 740
ORA-06512: at "SYS.DBMS_QOPATCH", line 2247

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$ORACLE_HOME/rdbms/log 디렉터리의 권한 문제로 패치 정보를 alert.log에 가져오지 못해서 발생한 다음 사례와 증상이 아주 흡사합니다.

참조:
++ 12.2:DB Alert.log shows ORA-20001: Latest xml inventory,ORA-06512: at "SYS.DBMS_QOPATCH","KUP-04004: error while reading file" ( Doc ID 2323937.1 )

$ORACLE_HOME/rdbms/log 디렉토리 권한이 775