How To Fix HRPAYUS_MESSAGES105 - Invalid parameter informed in payroll function UPAR1

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPAYUS_MESSAGES - Message class for US Payroll functionalities

• Message number: 105

• Message text: Invalid parameter informed in payroll function UPAR1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message HRPAYUS_MESSAGES105 - Invalid parameter informed in payroll function UPAR1 ?

  The SAP error message HRPAYUS_MESSAGES105, which indicates "Invalid parameter informed in payroll function UPAR1," typically arises during the payroll processing in the SAP HR module. This error suggests that there is an issue with the parameters being passed to the payroll function UPAR1, which is used for processing payroll-related calculations.
  Cause:
  
  Incorrect Parameter Values: The parameters being passed to the UPAR1 function may not be valid. This could be due to incorrect data entry or configuration.
  Missing Configuration: The payroll function may not be properly configured in the system, leading to the inability to process the parameters correctly.
  Data Issues: There may be issues with the employee master data or infotypes that are required for the payroll calculation.
  Custom Modifications: If there are custom enhancements or modifications in the payroll schema, they might be causing conflicts with the standard processing.
  
  Solution:
  
  Check Parameter Values: Review the parameters being passed to the UPAR1 function. Ensure that they are valid and conform to the expected format and data types.
  Review Payroll Configuration: Verify the configuration settings for the payroll function in the SAP system. Ensure that all necessary settings are correctly defined.
  Validate Employee Data: Check the employee master data and relevant infotypes to ensure that all required information is complete and accurate.
  Debugging: If the issue persists, consider debugging the payroll process to identify where the invalid parameter is being generated. This may involve looking at the payroll schema and the specific rules defined for UPAR1.
  Consult Documentation: Refer to SAP documentation or notes related to the UPAR1 function for any specific requirements or known issues.
  Engage SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on the UPAR1 function.
  Payroll Schema: Familiarize yourself with the payroll schema and how the UPAR1 function fits into the overall payroll processing.
  Testing: After making changes, conduct thorough testing in a development or quality assurance environment before applying changes to the production system.
  
  By following these steps, you should be able to identify and resolve the issue related to the HRPAYUS_MESSAGES105 error in SAP.