Oracle Solution for Error ora-19942

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

What triggered the Error:

e 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.

What should we do to fix it:

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