How To Fix UPMD031 - Characteristic &1 was removed from level. Reprocess planning function

UPMD031 - Overview

• Message type: E = Error

• Message class: UPMD - Demo for Sapphire

• Message number: 031

• Message text: Characteristic &1 was removed from level. Reprocess planning function

What causes this issue?

A characteristic was removed from the level after definition of the
planning function and/or parameter group. The system cannot determine
whether this characteristic is necessary for execution.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

First edit the planning function and then the parameter group in change
mode:
Remove the no longer existing characteristic from the definition of the
planning function and the parameter group.
Then save the changes. Also save even if nothing has changed. This has
the effect that the superfluous characteristic is deleted from the
Customizing tables of the planning function and the parameter group.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UPMD031 - Details

• The SAP error message UPMD031 indicates that a characteristic has been removed from a planning level in the context of SAP's planning functions, particularly in the SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) modules. This error typically arises during the execution of planning functions when the system detects that a characteristic that was previously part of a planning level is no longer available.
  
  Cause:
  
  Changes in Master Data: The characteristic may have been removed or deactivated in the master data settings.
  Planning Level Configuration: The planning level configuration might have been altered, leading to the removal of the characteristic.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the planning function from executing correctly.
  Versioning Issues: If you are working with different versions of planning data, the characteristic might not be available in the version you are currently using.
  
  
  Solution:
  
  
  Check Planning Level Configuration:
  
  Go to the planning level configuration