R12 and Encumberance accounting: What you need to know!

From the "looking for R12 bugs" category comes this article via the Oracle EBS Support blog letting us know that after applying a RUP patch we can start to encounter INSERT_PACKET_CREATE_EVENT-020: ORA-01400 errors when trying to cancel Purchase Order lines under a specific condition.  Worth looking into if you are going to, or are on, R12 to see if this patch has been applied since there is also a fix patch listed in the article as well!