Here we would like to draw your attention to OIVN transaction code in SAP. As we know it is being used in the SAP PM (Plant Maintenance) module. OIVN is a transaction code used for Maintenance Plan No. Ranges in SAP.
It comes under the package INSC.When we execute this transaction code, RIOT399J is the normal standard SAP program that is being executed in background.
Transaction OIVN technical data table
|Purpose||Maintenance Plan No. Ranges|