How To Fix RESCSU013 - Assignment of first participation group not the same as start of SU

SAP Error Message - Details

• Message type: E = Error

• Message class: RESCSU - Error Texts for Settlement Unit

• Message number: 013

• Message text: Assignment of first participation group not the same as start of SU

What causes this issue?

The start date of the settlement unit has to be the same as the date of
the first assignment of a participation group.

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?

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 RESCSU013 - Assignment of first participation group not the same as start of SU ?

  The SAP error message RESCSU013 indicates that there is a mismatch in the assignment of the first participation group in relation to the start of a service unit (SU). This typically occurs in the context of project management or resource planning within SAP, particularly when dealing with service units and their associated participation groups.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Incorrect Configuration: The participation groups assigned to the service unit do not align with the expected configuration in the system.
  Data Entry Errors: There may be inconsistencies in the data entered for the service unit, such as incorrect dates or participation group assignments.
  Master Data Issues: The master data for the participation groups or service units may not be set up correctly, leading to mismatches.
  Changes in Participation Groups: If there have been recent changes to the participation groups or their assignments, it may not reflect correctly in the service unit.
  
  Solution:
  To resolve the RESCSU013 error, you can follow these steps:
  
  
  Check Participation Group Assignment:
  
  Go to the configuration settings for the service unit and verify that the first participation group is correctly assigned.
  Ensure that the participation group aligns with the start date of the service unit.
  
  
  
  Review Service Unit Data:
  
  Check the details of the service unit for any discrepancies in the dates or group assignments.
  Make sure that the start date of the service unit corresponds with the participation group assigned.
  
  
  
  Correct Master Data:
  
  If there are issues with the master data, correct them in the relevant configuration settings.
  Ensure that all participation groups are properly defined and linked to the correct service units.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on configuring participation groups and service units.
  
  
  
  Testing:
  
  After making changes, test the configuration by attempting to create or modify the service unit again to see if the error persists.
  
  
  
  Seek Support:
  
  If the issue continues, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CJI3 (Project Actual Line Items) to navigate through project-related data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Documentation: Ensure that users involved in project management are trained on the correct procedures for assigning participation groups and managing service units.
  
  By following these steps, you should be able to identify and resolve the cause of the RESCSU013 error in SAP.