Namespace for oai-identifiers

While registering our journal with, even though we passed the validation test, we saw the following message towards the end of the validation report.

Namespace declared for v2.0 oai-identifiers is

The namespace-identifier for oai-identifiers declared in the repository Identifier element a is already registered to another base URL, namely We trust that this is another repository operated by your organization. [We are not related to the journal mentioned in this URL]

Successfully updated OAI registration database to status COMPLIANT.

I believe it took the default namespace for oai-identifier which in turn was the same for some other journal.

Can the oai-identifier be changed to avoid confusion in future. If yes, how can this be done?

See the file:

Thanks. So just make the change in the file?

I think that is enough. Let us know.