This will convert <code>coupon_data</code> order item meta entries to simplified <code>coupon_info</code> entries. The conversion will happen overtime in the background (via Action Scheduler). There are currently {bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}d entries that can be converted.