How to fix the Oracle error ORA-19942: datafile copy string not created with compatibility 10.0 or greater?

In this post, you’ll learn more about the Oracle ErrorORA-19942: datafile copy string not created with compatibility 10.0 or greater with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19942: datafile copy string not created with compatibility 10.0 or greater

Reason for the Error ORA-19942: datafile copy string not created with compatibility 10.0 or greater

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.

How to fix the Error ORA-19942: datafile copy string not created with compatibility 10.0 or greater ?

You can fix this error in Oracle by following the below steps

Make a new datafile copy taken after tablespace has been made read/write with compatibility 10.0 at source database and retry conversion.