How to fix the Oracle error ORA-19730: can not convert offline plugged-in datafile string?

In this post, you’ll learn more about the Oracle ErrorORA-19730: can not convert offline plugged-in datafile string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19730: can not convert offline plugged-in datafile string

Reason for the Error ORA-19730: can not convert offline plugged-in datafile string

As part of making a tablespace read-write, we need to convert datafiles that are plugged in read-only. The file must be online.

How to fix the Error ORA-19730: can not convert offline plugged-in datafile string ?

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

Online the datafile and retry the operation.