ORA-19942
        datafile copy string not created with compatibility 10.0 or greater
        
        
        Cause
        The specified datafile copy to be converted at the target was not produced after making the tablespace in read/write mode with compatibility 10.0 or greater at the source database.
        Action
        Make a new datafile copy taken after tablespace has been made read/write with compatibility 10.0 at source database and retry conversion.
        
     
    
    
        ORA-19942
        datafile copy string not created with compatibility 10.0 or greater
        
        
        Cause
        The specified datafile copy to be converted at the target was not produced after making the tablespace in read/write mode with compatibility 10.0 or greater at the source database.
        Action
        Make a new datafile copy taken after tablespace has been made read/write with compatibility 10.0 at source database and retry conversion.
        
     
    
    
        ORA-19942
        datafile copy string not created with compatibility 10.0 or greater
        
        
        Cause
        The specified datafile copy to be converted at the target was not produced after making the tablespace in read/write mode with compatibility 10.0 or greater at the source database.
        Action
        Make a new datafile copy taken after tablespace has been made read/write with compatibility 10.0 at source database and retry conversion.