ORA-31619
        invalid dump file "string"
        
        
        Cause
        Either the file was not generated by the Oracle Data Pump Export utility or the file was corrupt.
        Action
        If the file was generated by the Oracle Data Pump Export utility, report this as an Oracle Data Pump Import bug and submit the export dump file to Oracle Support.
        
     
    
    
        ORA-31619
        invalid dump file "string"
        
        
        Cause
        Either the file was not generated by Export or it was corrupted.
        Action
        If the file was indeed generated by Export, report this as an Import bug and submit the export file to Oracle Customer Support.
        
     
    
    
        ORA-31619
        invalid dump file "string"
        
        
        Cause
        Either the file was not generated by Export or it was corrupted.
        Action
        If the file was indeed generated by Export, report this as an Import bug and submit the export file to Oracle Customer Support.