how to add back accounting sequence for posted journal

Summary:

Is there any way to add back accounting sequence number for those posted journal?

Content (required):

We have setup with Accounting and Document Sequencing required on specify ledger option by ledger level.

It does not work as we did not setup any Accounting and Document Sequencing and assigned to related ledger.

Some journals which posted without accounting sequence.

Now we setup journal sequence with mandatory to have accounting sequence number for all journal.

Is there any way to add back accounting sequence for those posted journal?

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):