AP Eng Lang & Comp was offered for only that year and was never offered beforehand and may never be offered again. Therefore, the counselor is deciding whether you should be forced to take a fourth year of English, which is typically replaced by Dual Credit Rhetoric (English). After all, if you score high enough on the AP exam, you could get the college credits equivalent to a semester of Dual Credit.
It’s a flaw from the school, and they’re likely to send out an update soon.