How To Fix KG826 - Define mandatory variables only for the field &

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 826

• Message text: Define mandatory variables only for the field &

What causes this issue?

You have defined an optional variable for the field "&V1&".

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?

Make this variable mandatory.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG826 - Define mandatory variables only for the field & ?

  The SAP error message KG826 ("Define mandatory variables only for the field &") typically occurs in the context of SAP Controlling (CO) when working with planning or reporting functions, particularly in the context of variable definitions in planning layouts or reports.
  Cause:
  This error arises when you attempt to define a mandatory variable for a field that does not support mandatory variables. In SAP, certain fields are designated as optional for variable input, and trying to set them as mandatory can lead to this error. This often happens in the following scenarios:
  
  Incorrect Field Selection: The field you are trying to set as mandatory may not be designed to accept mandatory variables.
  Configuration Issues: There may be a misconfiguration in the planning layout or report settings.
  Version Compatibility: The version of SAP you are using may have specific limitations regarding mandatory variables.
  
  Solution:
  To resolve the KG826 error, you can take the following steps:
  
  
  Review Field Settings: Check the field you are trying to set as mandatory. Ensure that it is a field that supports mandatory variables. You can refer to the SAP documentation or configuration guides for the specific fields in your planning layout.
  
  
  Modify Variable Settings:
  
  Go to the variable definition in the planning layout or report.
  Ensure that you are not trying to set mandatory variables for fields that do not support them.
  If necessary, change the variable from mandatory to optional.
  
  
  
  Check Configuration: If you are working with a custom report or layout, review the configuration settings to ensure that they align with SAP standards.
  
  
  Consult Documentation: Refer to the SAP Help Portal or relevant documentation for your version of SAP to understand the limitations and capabilities of the fields you are working with.
  
  
  Testing: After making changes, test the planning layout or report to ensure that the error no longer occurs.
  
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or workarounds.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP CO and planning layouts to better understand how to work with variables.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Controlling.