Fixes in the Oracle Supply Chain Planning Cloud R13 (update 18C) December Maintenance Pack
Your batch scheduled process to create trees does not complete
The Create Trees for Dimensions scheduled process goes into retry mode for a business error instead of exiting as soon as the error is encountered.
The code has been fixed to resolve this issue.
Oracle Reference: 28525533
You are unable to ignore zone during the aggregation of non-key customers
When enabled, the Aggregate Data for Non-Key Customers feature aggregates the data for all non-key customers by zone. The result is an All Other customer site for each zone. In some cases, retaining the zone level detail in not desired. However, there was no option to ignore the zone.