How To Fix RFM_PSST_MSG042 - Cannot assign the PSST grouping rule when "Exclude from PSST" is selected

SAP Error Message - Details

• Message type: E = Error

• Message class: RFM_PSST_MSG - Message Class for PSST

• Message number: 042

• Message text: Cannot assign the PSST grouping rule when "Exclude from PSST" is selected

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RFM_PSST_MSG042 - Cannot assign the PSST grouping rule when "Exclude from PSST" is selected ?

  The SAP error message RFM_PSST_MSG042 indicates that there is an issue with the assignment of a PSST (Project System Settlement) grouping rule when the "Exclude from PSST" option is selected. This typically occurs in the context of project system (PS) configuration and settlement processes.
  Cause:
  The error arises when you attempt to assign a PSST grouping rule to a project or WBS (Work Breakdown Structure) element that has been marked to be excluded from PSST. The "Exclude from PSST" option indicates that the project or WBS element should not be included in the settlement process, which conflicts with the attempt to assign a grouping rule that is meant for elements that will be settled.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Project/WBS Settings:
  
  Navigate to the project or WBS element in question.
  Verify if the "Exclude from PSST" option is indeed selected. If it is, and you want to assign a PSST grouping rule, you will need to deselect this option.
  
  
  
  Modify the PSST Grouping Rule:
  
  If the project or WBS element should remain excluded from PSST, then you should not assign a PSST grouping rule. Instead, ensure that the configuration aligns with the intended settlement process.
  
  
  
  Review Configuration:
  
  Check the overall configuration of the project system and settlement settings to ensure that they are set up correctly according to your business requirements.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on PSST configuration and the implications of the "Exclude from PSST" setting.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  PSST Grouping Rules: These rules are used to determine how costs and revenues are settled in the project system. They play a crucial role in the financial management of projects.
  Settlement Process: Understanding the settlement process in SAP Project System is essential for managing project costs effectively. This includes knowing how to configure WBS elements and their settlement behavior.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on PSST configuration.
  
  By following these steps, you should be able to resolve the error and ensure that your project or WBS element is configured correctly for settlement processing.