Validation 
Use
Extended Warehouse Management (EWM) works with a validation framework and uses various validation methods. The validation checks whether a delivery document is complete and consistent so that it can be further processed in the system. If a document changes, EWM performs a validation.
Features
The validation comprises the following checks:
Activities
You can call validation directly from the user interface.To do so, on the
SAP Easy Access
screen, choose the corresponding user interface, for example,
Extended Warehouse Management 
Delivery Processing Inbound Delivery Maintain Inbound Delivery 
.Select an inbound delivery and choose the function
( )
Check
.