I would suggest waiting a few days and then trying to link the application again. Since you only received your AOR on September 22 and BIL on September 23, it may simply take some time for the application information to become available for linking.
I would suggest waiting a few days and then trying to link the application again. Since you only received your AOR on September 22 and BIL on September 23, it may simply take some time for the application information to become available for linking.