SCOリストアがRMANエラーで失敗しましたORA-07217:sltln:環境変数を評価できません

環境

• NetApp SnapCenter Plug-in for Oracle（SCO）4.6
• NetApp SnapCenter サーバ（SC）4.6P1
• NetApp ONTAP 9.Xの略
• Oracle Database 12cの略
• Oracle Enterprise Linux（OEL）7.9 

問題

SCOバックアップをリストアする際に、次のエラーで失敗しました：

RMAN-03002: failure of catalog command at mm/dd/yyyy hh:mm:ss
ORA-07217: sltln: environment variable cannot be evaluated.
com.netapp.oracle.core.platform.rman.RmanException: ORACLE-00101: Error executing RMAN command: [CATALOG START WITH '/var/opt/snapcenter/sco/backup_mount/xxxx_xxxx_xxxxx_DAILY_xxxxxxxx_mm-dd-yyyy_hh.mm.ss.xxxx_1/instance_name/1/' NOPROMPT;]. The command returned: RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of catalog command at mm/dd/yyyy hh:mm:ss
ORA-07217: sltln: environment variable cannot be evaluated.
at com.netapp.oracle.core.platform.rman.RmanResult.<init>(RmanResult.java:74)
at com.netapp.oracle.core.platform.rman.RmanExecutor.execute(RmanExecutor.java:141)
「…」
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
at java.lang.Thread.run(Thread.java:750)