Here we would like to draw your attention to OIL4 transaction code in SAP. As we know it is being used in the SAP PM (Plant Maintenance) module. OIL4 is a transaction code used for Task List Number Ranges in SAP.
It comes under the package INSC.When we execute this transaction code, SAPMSNUM is the normal standard SAP program that is being executed in background.
Transaction OIL4 technical data table
| Tcode | OIL4 |
| Purpose | Task List Number Ranges |
| Module | PM |
| SAP Package | INSC |
| Program running | SAPMSNUM |
| Screen No | 100 |
| Type | P |