can't seem to create rman catalog, please help. thanks
connected to recovery catalog database
recovery catalog is not installed
RMAN> create catalog;
error creating rcver
Oracle error from recovery catalog database: ORA-00955: name is already used by an existing object
Oracle error from recovery catalog database: ORA-00942: table or view does not exist
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-06433: error installing recovery catalog