OCI-19761
        block size string is not valid for change tracking file
        
        
        Cause
        While opening the specified change tracking file, it was found that the file header did not contain a valid logical block size.  This probably means that the file is corrupt.
        Action
        If the file can be repaired, do so, otherwise disable and re-enable change tracking to re-initialize the file.
        
     
    
    
        OCI-19761
        block size string is not valid for change tracking file
        
        
        Cause
        While opening the specified change tracking file, it was found that the file header did not contain a valid logical block size.  This probably means that the file is corrupt.
        Action
        If the file can be repaired, do so, otherwise disable and re-enable change tracking to re-initialize the file.
        
     
    
    
        OCI-19761
        block size string is not valid for change tracking file
        
        
        Cause
        While opening the specified change tracking file, it was found that the file header did not contain a valid logical block size.  This probably means that the file is corrupt.
        Action
        If the file can be repaired, do so, otherwise disable and re-enable change tracking to re-initialize the file.