How To Fix GP126 - The distribution key has been set to manual

SAP Error Message - Details

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 126

• Message text: The distribution key has been set to manual

What causes this issue?

The distribution key is always set to manual distribution (0) if a
redistribution with the last distribution key would change the period
values.
For example, if the percentage distribution (3) were used, otherwise
the current annual value would be used as a new percentage, or if the
distribution were generated by adding two different distributions.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP126 - The distribution key has been set to manual ?

  The SAP error message GP126, which states "The distribution key has been set to manual," typically occurs in the context of SAP's Human Capital Management (HCM) module, particularly when dealing with payroll or personnel administration processes. This error indicates that the system has detected that the distribution key for a specific payroll or personnel action has been set to manual, which may not be appropriate for the current processing context.
  Cause:
  
  Manual Distribution Key: The distribution key is a parameter that determines how costs or values are allocated. If it is set to manual, it means that the system expects the user to provide specific distribution details rather than automatically calculating them.
  Configuration Issues: There may be configuration settings in the payroll or personnel administration that require adjustment. This could include settings related to the distribution of costs or the way payroll is processed.
  Data Entry Errors: Incorrect or incomplete data entry during the payroll process can lead to this error. For example, if a user is expected to enter a distribution key but fails to do so, the system may trigger this error.
  
  Solution:
  
  Check Distribution Key Settings: Review the distribution key settings in the relevant configuration. Ensure that the distribution key is set correctly for the payroll or personnel action being processed.
  Manual Entry: If the distribution key is meant to be manual, ensure that the user enters the appropriate distribution key values as required by the process.
  Review Payroll Configuration: Check the payroll configuration settings to ensure that they align with the organization's requirements. This may involve consulting with a payroll specialist or SAP consultant.
  User Training: If the error is due to user error, consider providing additional training to users on how to properly enter data and understand the implications of setting the distribution key to manual.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling distribution keys in your version of SAP.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as PA30 (Maintain HR Master Data) or PC00_MXX_CALC (Payroll Calculation).
  Support: If the issue persists, consider reaching out to SAP support or your internal IT department for further assistance.
  
  By addressing the underlying cause of the GP126 error and ensuring that the distribution key is set correctly, you should be able to resolve the issue and proceed with your payroll or personnel administration tasks.