SAP Message /SPE/CROSS_DOCKING026 - Mandatory partner role EC is missing in partner procedure &1

Diagnosis
The mandatory partner role EC (receiving cross-docking partner) ismissing in the partner procedure &V1& which is assigned to delivery type
V2.

System Response
The system cannot create the transportation cross-docking inbounddelivery because the receiving warehouse can not be determinedcorrectly.

Procedure
Contact your system administrator.

Procedure for System Administration
Ensure that the partner procedure &V1& is extended by the partner roleEC or assign a different partner procedure to delivery type &V2&. Youmaintain the partner determination for deliveries in menu entrySet Up Partner Determination for Deliveries