有谁遇到过 impdp导入19c rac集群数据库时，监听出现一堆service 的案列，数据库是19.11

Service "SYS$SYS.KUPC$S_1_20210804170151_0.ORCL" has 1 instance(s).
  Instance "orcl1", status READY, has 1 handler(s) for this service...

网上说的DBMS_AQADM.DROP_QUEUE( queue_name => ‘SYS.KUPC$C_1_20210807134225_0’);
执行时会报错
ORA-12850: Could not allocate slaves on all specified instances: 2 needed, 1 allocated
ORA-06512: at “SYS.DBMS_AQADM_SYSCALLS”, line 111
ORA-06512: at “SYS.DBMS_AQADM_SYS”, line 2815
ORA-06512: at “SYS.DBMS_AQADM_SYS”, line 6616
ORA-06512: at “SYS.DBMS_AQADM”, line 622
ORA-06512: at line 1