How To Fix GRPG101 - Material &1 not allowed for WBS element &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 101

• Message text: Material &1 not allowed for WBS element &2

What causes this issue?

Material &V1& has been specified as being relevant for requirements
grouping, via its MRP group.
MRP ignores individual stocks for WBS element &V2&. Instead of this,
the material is planned in the stock of WBS element &v3&.

System Response

If the message is an error message, processing is not continued.

How to fix this error?

Check whether the material cannot be posted to the individual stock of
WBS element &V3&.
You can switch off this error message, by allowing individual stocks,
which are not taken into account in either MRP or availablity checks,
for WBS elements:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

In Customizing for general controlling call up the work step
<DS:SIMG.SIMG_CFMENUORK3OBA5>Change message control</>.
Enter the application area GRPG and maintain the entry for message
number 101. If you do not enter an user, the changes are valid for all
users.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GRPG101 - Material &1 not allowed for WBS element &2 ?

  The SAP error message GRPG101 indicates that a specific material (denoted as &1) is not allowed for a particular Work Breakdown Structure (WBS) element (denoted as &2). This error typically arises in the context of project management and controlling within SAP, particularly when trying to assign materials to a WBS element that has restrictions.
  Cause:
  
  Material Status: The material may have a status that prevents it from being used in the context of the specified WBS element.
  WBS Element Settings: The WBS element may have specific settings or configurations that restrict the use of certain materials.
  Project Definition: The project definition associated with the WBS element may have limitations on the types of materials that can be used.
  Authorization Issues: The user may not have the necessary authorizations to use the material with the specified WBS element.
  Material Type: The material type may not be compatible with the WBS element due to configuration settings in the system.
  
  Solution:
  
  Check Material Status: Verify the status of the material in the material master. Ensure that it is active and not blocked for use in projects.
  Review WBS Element Settings: Check the settings of the WBS element to see if there are any restrictions on the types of materials that can be assigned. This can be done in the WBS element configuration.
  Project Definition Review: Look at the project definition associated with the WBS element to ensure that it allows the use of the material in question.
  Authorization Check: Ensure that the user has the necessary authorizations to use the material with the WBS element. This may involve checking user roles and permissions.
  Material Type Compatibility: Confirm that the material type is compatible with the WBS element. If necessary, consult with your SAP configuration team to adjust the settings.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as CJ20N (Project Builder) to review and modify WBS elements, or MM03 (Display Material) to check material details.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Refer to SAP documentation on project management and material management for more detailed information on WBS elements and material usage.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in project systems and material management.