Message SAP WRF_STR042 - Planned qty &1 plant &2 outside of min(&3)/max(&4) value range (mat.mas.)

Diagnosis
You set the Min/Max (Master Data) flag, which defines that thesystem configures the calculated values for MRP parameters MinimumSecurity Stock and Maximum Stock in the material master (plantlevel) as the minimum/maximum values per plant.
The subsequent calculations overwrite these values, for example, becausethe Fixed Item Quantity indicator is set.