Message SAP XU018 - Enter only in the "Quantity in & or &" fields

Diagnosis
When you enter a reservation without specifying a batch, you can enterboth in unit of issue and stockkeeping unit. You can therefore define aconversion ratio, which is different from the one defined in thematerial master, between unit of issue and stockkeeping unit for thisreservation.

System Response
You can only enter in unit of issue and stockkeeeping unit. From thestockkeeping unit, quantities are calculated in the other alternativeunits of measure. The system uses the conversion factors entered in thematerial master to do this.