How To Fix UPF027 - You must specify the fields to be changed for planning function &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UPF - Planning Functions

• Message number: 027

• Message text: You must specify the fields to be changed for planning function &1

What causes this issue?

You have attempted to create or save a planning function but you have
not specified which data is to be changed by the planning function.
This error also occurs if, immediately after creating a new function,
you attempt to create a new parameter group before the required
specifications for the planning function have been made. The definition
of the planning function is incomplete.

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?

Specify at least one field to be changed by the planning function.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UPF027 - You must specify the fields to be changed for planning function &1 ?

  The SAP error message UPF027 ("You must specify the fields to be changed for planning function &1") typically occurs in the context of SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) when a planning function is executed without specifying the necessary fields that need to be changed or updated.
  Cause:
  This error arises when:
  
  A planning function is called, but the required fields that need to be modified are not defined in the planning function's parameters.
  The planning function is not properly configured to include the necessary fields for the operation you are trying to perform.
  There may be a missing or incorrect configuration in the planning function settings.
  
  Solution:
  To resolve the UPF027 error, you can take the following steps:
  
  
  Check Planning Function Configuration:
  
  Go to the planning function configuration in the SAP system.
  Ensure that the fields you want to change are correctly specified in the planning function parameters.
  
  
  
  Define Fields to be Changed:
  
  In the planning function, make sure to explicitly define the fields that need to be updated. This can usually be done in the "Change Fields" section of the planning function configuration.
  
  
  
  Review Input Parameters:
  
  If the planning function requires input parameters, ensure that they are correctly set up and that the necessary fields are included.
  
  
  
  Test the Planning Function:
  
  After making the necessary changes, test the planning function again to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources for specific guidance on configuring planning functions and the required fields.
  
  
  
  Check User Authorizations:
  
  Ensure that the user executing the planning function has the necessary authorizations to perform the operation.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the configuration and parameters, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Planning Functions: These are used in SAP IBP/APO to perform various planning activities, such as data updates, calculations, and aggregations.
  Field Selection: In planning functions, it is crucial to specify which fields are to be modified to avoid errors and ensure the correct execution of the function.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error message.
  
  By following these steps, you should be able to resolve the UPF027 error and successfully execute your planning function.