SAP Message WB031 - Logistic quantity control data for AL type & does not exist

Diagnosis
Logistic quantity control data for AL type &v1& does not exist.

System Response
In generating the assortment list, no documents were read forassortment list type &v1& to determine historic values.

Procedure
To have the system read the relevant documents and for the quantitiesto appear in the assortment list, please maintain logistics quantitycontrol data.