ORA-65492
        cannot get data file space header
        
        
        Cause
        An internal error occurred.
        Action
        Disable the lost write protection and then create the lost write tablespace again using the CREATE BIGFILE TABLESPACE <tablespace_name> DATAFILE '<datafile_name>' SIZE size BLOCKSIZE size LOST WRITE PROTECTION command. You may have to first drop the lost write tablespace on which this command failed.
        
     
    
    
        ORA-65492
        Cannot get data file space header
        
        
        Cause
        An internal error occurred.
        Action
        Try disabling the lost write protection and then create the lost write tablespace again using the CREATE BIGFILE TABLESPACE tablespace name DATAFILE '<datafile_name>' SIZE size BLOCKSIZE size LOST WRITE PROTECTION. You may have to drop the lost write tablespace first on which this command failed.
        
     
    
    
        ORA-65492
        Cannot get data file space header
        
        
        Cause
        An internal error occurred.
        Action
        Try disabling the lost write protection and then create the lost write tablespace again using the CREATE BIGFILE TABLESPACE tablespace name DATAFILE '<datafile_name>' SIZE size BLOCKSIZE size LOST WRITE PROTECTION. You may have to drop the lost write tablespace first on which this command failed.