Oracle Error Message
RMAN-05504: at least two redo log files or groups must be specified for this command
Reason for the Error
Only one redo log file or group was specified
Solution
Specify at least one more redo log file or group
RMAN-05504: at least two redo log files or groups must be specified for this command
Only one redo log file or group was specified
Specify at least one more redo log file or group