SAP Message WM670 - Unspecified layout module

Diagnosis
The laoyut module is incorrectly specified. Maintain the interface forthe 'assortment_lay out_mod_handling' function module once again.

Procedure
The pi_wlmv-laygr import parameter is initial. Check the relevantparameters when calling the 'assortment_layout_mod_handling' functionmodule.