sales order accounting rule not deriving correct GL dates

We have an accounting rule with a fixed schedule, where the period is set to month, and there are 12 periods. Autoinvoice was correctly posting revenue to the correct gl dates. However there are some months where the revenue is being booked with a GL date that results in revenue being skipped in a month. For example, we booked revenue on 1/31/2025 (Fiscal Jan) and then we booked revenue on 3/7/2025 (Fiscal Mar). Fiscal Feb was skipped. We suspect this is related to our accounting calendar having our quarters defined as 5-4-4 but then we had to make a change