SAP Message USMD2187 - The hierarchy entry cannot be moved up or down

Diagnosis
You want to move a hierarchy entry up or down. This is not possiblebecause the hierarchy entry is already the highest or lowest entry atthis hierarchy level.

Procedure
If you want to move the hierarchy entry up a level, choose the RankHigher function. If you want to move the hierarchy entry down alevel, choose the Rank Lower function.