It looks like you need to modify your SQL code to identify records for the current month (October) and the following two months (November and December) in SAP DataSphere (or any SQL-like environment). However, your initial code has formatting and logical issues. Here’s a refined version to address those problems:
### Revised Code
```sql
WHEN
-- Current October, November, December
(A."YEAR_TEXT" = YEAR(CURRENT_DATE) AND A."MONTH_NUMBER" =