How To Fix M2646 - & : Date field hierarchy is lower than key figure hierarchy

M2646 - Overview

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 646

• Message text: & : Date field hierarchy is lower than key figure hierarchy

What causes this issue?

The date for determining the period comes from a lower hierarchy than
the key figure.

How to fix this error?

Choose a date field for period determination that comes from a higher
hierarchy than the key figure.

Error message extract from SAP system. Copyright SAP SE.

M2646 - Details

• The SAP error message M2646, which states "Date field hierarchy is lower than key figure hierarchy," typically occurs in the context of SAP's planning and reporting functionalities, particularly when working with data hierarchies in SAP BW (Business Warehouse) or SAP Integrated Business Planning (IBP).
  
  Cause:
  This error arises when there is a mismatch between the hierarchies of the date fields and the key figures in a planning or reporting scenario. Specifically, it indicates that the date field hierarchy is not aligned with the key figure hierarchy, meaning that the levels of granularity or the structure of the hierarchies do not match. For example, if your key figures are defined at a monthly level, but your date field is defined at a daily level, this inconsistency can trigger the error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Hierarchies: Review the hierarchies defined for both the date fields and the key figures.