SAP Message RMXMTRF018 - Highest node in the recipe model is not a recipe

Diagnosis
In order to generate the master recipe automatically, the system firsthas to generate a tree with the recipe data. The highest node inthe tree must be a recipe. In this case, the highest node is not arecipe.

System Response
The system cancels the action.
INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX LANGUAGE EN

Procedure for System Administration
Check the Customizing settings and results of the function moduleRMXM950_GENERATE_OBJ_MODEL.