Field help (WRHDES) 

The presence of this field is subject to the activity code WRH.
This is the warehouse towards which the transfer must be carried out. The presence of this field and its management conditions (Displayed / Entered) depend on the setup of the entry transaction at use.
In the case of a stock change of Internal type, this field is loaded by default with the warehouse specified in the header. This field remains available for modifications on every line thus authorizing a multi-warehouse management.

SEEINFOThe transfer of a product to a warehouse is authorized only if the product-warehouse record exists for this given warehouse.