ORA-13506
        operation failed due to invalid snapshot range (string, string)
        
        
        Cause
        An attempt was made to perform an operation with an invalid start and end snapshot pair.
        Action
        Choose a valid start and end snapshot pair:
- Ensure end snapshot is greater than start snapshot.
- Ensure start and end snapshots exist.
        
     
    
    
        ORA-13506
        operation failed due to invalid snapshot range (string, string)
        
        
        Cause
        An attempt was made to perform operation with an invalid Start/End Snapshot Pair.
        Action
        Choose a valid Start/End Snapshot Pair.
        
     
    
    
        ORA-13506
        operation failed due to invalid snapshot range (string, string)
        
        
        Cause
        An attempt was made to perform operation with an invalid Start/End Snapshot Pair.
        Action
        Choose a valid Start/End Snapshot Pair.