SAP Message W/149 - Material &1 does not exist in dist. chain &2 &3 - processing not possible

Diagnosis
The data transferred to the method should represent the current statusof the markdown plan on the database. However, it differs from the dataactually on the database.
The system did not find material &V1& in the markdown plan indistribution chain &V2& &V3& on the database.

System Response
Processing of the markdown plan is not possible. No changes are writtento the database.

Procedure
To avoid inconsistencies on the database, processing of the markdownplan must be done on the basis of the current data on the database.
Read the current data from the database using method"PriceMarkdownPlan.GetDetail" and repeat processing with the currentdata.