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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2646 - & : Date field hierarchy is lower than key figure hierarchy ?

  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. Ensure that they are aligned in terms of granularity. For instance, if your key figures are aggregated at a monthly level, ensure that the date hierarchy is also set to a monthly level.
  
  
  Adjust Planning Levels: If necessary, adjust the planning levels in your planning model or data model to ensure that both the date and key figure hierarchies are compatible.
  
  
  Modify Data Model: If you are using a custom data model, you may need to modify it to ensure that the hierarchies are correctly defined and aligned.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on how to configure hierarchies in your version of SAP BW or IBP.
  
  
  Testing: After making adjustments, test the planning or reporting functionality again to ensure that the error has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, SAP releases notes that provide additional context or solutions for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Training and Documentation: If you are frequently working with hierarchies in SAP, consider additional training or reviewing documentation on best practices for managing hierarchies in SAP BW or IBP.
  
  By ensuring that the hierarchies are properly aligned, you should be able to resolve the M2646 error and continue with your planning or reporting tasks in SAP.