How To Fix GRPG046 - Value & for grouping WBS el. field not allowed, since automatic grouping

SAP Error Message - Details

• Message type: E = Error

• Message class: GRPG - Grouping/Pegging for Individual Project Planning

• Message number: 046

• Message text: Value & for grouping WBS el. field not allowed, since automatic grouping

What causes this issue?

The WBS element cannot be defined as <LS>Grouping WBS element for
selected MRP groups</> (2), because <DS:DE.GRONTOP>automatic
requirements grouping</> is active for the project.
In the case of automatic requirements grouping, you can only define
<ZH>one</> WBS element as the <LS>Grouping WBS element for all
materials</> (1).

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GRPG046 - Value & for grouping WBS el. field not allowed, since automatic grouping ?

  The SAP error message GRPG046 indicates that there is an issue with the grouping of Work Breakdown Structure (WBS) elements in the context of automatic grouping. This error typically arises when the system is trying to assign a value to a WBS element that is not allowed due to the settings for automatic grouping.
  Cause:
  
  Automatic Grouping Settings: The error often occurs when the system is configured to automatically group WBS elements based on certain criteria, and the value being assigned does not meet those criteria.
  Incorrect Value: The value being assigned to the WBS element may not be valid or allowed in the context of the grouping rules defined in the system.
  Configuration Issues: There may be configuration settings in the project system that restrict certain values from being used in WBS elements.
  
  Solution:
  
  Check Grouping Configuration: Review the configuration settings for automatic grouping in the project system. Ensure that the criteria for grouping are correctly defined and that the value you are trying to assign is permissible.
  Validate WBS Element Values: Ensure that the values you are trying to assign to the WBS elements conform to the allowed values as per the grouping rules. You may need to adjust the values or the grouping criteria.
  Adjust Project Settings: If necessary, modify the project settings to allow for the desired values or to disable automatic grouping if it is not needed.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the configuration of automatic grouping and the allowed values for WBS elements.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CJ20N (Project Builder) or CJ02 (Change WBS Element) to review and modify WBS elements.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration settings.
  User Exits or BAdIs: If custom logic is involved, consider checking for any user exits or Business Add-Ins (BAdIs) that may be influencing the behavior of WBS element grouping.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Project System (PS) for further assistance.