SAP Message WRF_AT129 - New distribution center &3 is not valid (alloc. table &1, item &2)

Diagnosis
The system does not have all the necessary data for plant &V3&(distribution center &V3&). The plant was not created properly. You haveto define each plant as a plant and as a customer in SAP Retail.
The customer master for plant &V3& does not have a valid entry for theplant.

Procedure
Check the master data of plant &V3&.