SAP Message UGMD8151 - Converting hierarchy data for characteristic &1; see long text

Diagnosis
After changing the setting of the version and/or time dependency ofhierarchies, old data needs to be converted for characteristic &v1& sothat this data can still be used.

System Response
Depending on the situation, you will be requested to enter parametersfor data collection.
For more information on the individual cases, seesource hierarchy version,target hierarchy version,date of hierarchy transfer,hierarchy starting date.
The system then activates the changed settings and the data.