How to link Receivables data from GL , if the Import Journal References flag is missing

Summary:

Import Journal References flag was missing for receivables source in Manage Journal Sources as a result of which we are not able to fetch/query the data for Dec-21 and Jan-22(Current Open period) in Prod. How to link the data that has flown from Receivables into GL until the time Import Journal References flag was unchecked ? Has anyone faced similar issue before and how did they link the subledger data (in our case Receivables source) to General Ledger.

Content (required):

Need to link the Receivables data to General ledger for the period when Import Journal References flag was unchecked in PROD