How To Fix GRPG126 - Pegging created inconsistency in validity assignments

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 126

• Message text: Pegging created inconsistency in validity assignments

What causes this issue?

WBS element &v1% could not be assigned unambiguously to a grouping
element. &v1& has been assigned to several grouping elements tha have
the same validity (plant/MRP group).

System Response

Processing is not continued

How to fix this error?

Check your entries for WBS element &v1& in the assignment table and
make sure that all the grouping elements, that &v1& has been asigned
to, differ in the assignment to a plant/MRP group in the validity
table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GRPG126 - Pegging created inconsistency in validity assignments ?

  The SAP error message GRPG126, which states "Pegging created inconsistency in validity assignments," typically occurs in the context of production planning and inventory management. This error is related to the pegging process, which is used to link requirements (like production orders) to their corresponding supply (like purchase orders or stock).
  Cause:
  The inconsistency usually arises due to one of the following reasons:
  
  
  Data Integrity Issues: There may be inconsistencies in the validity periods of the pegged items. For example, if a production order is pegged to a purchase order that has a different validity period, this can lead to conflicts.
  
  
  Changes in Master Data: If there have been recent changes to the material master data, such as changes in the validity dates or status of the materials, it can lead to inconsistencies.
  
  
  Manual Adjustments: Manual changes to the pegging assignments or related documents can also create inconsistencies.
  
  
  System Bugs or Configuration Issues: Sometimes, the error can be due to bugs in the SAP system or incorrect configuration settings.
  
  
  Solution:
  To resolve the GRPG126 error, you can take the following steps:
  
  
  Check Validity Periods: Review the validity periods of the pegged items. Ensure that the production order and the supply (purchase order or stock) have compatible validity periods.
  
  
  Review Master Data: Check the material master data for any inconsistencies or recent changes that might have affected the pegging.
  
  
  Re-evaluate Pegging Assignments: If manual changes were made, consider reverting those changes or re-evaluating the pegging assignments to ensure they are correct.
  
  
  Use Transaction Codes: Utilize transaction codes like MD04 (Stock/Requirements List) or MD05 (Individual Display of MRP List) to analyze the pegging and see where the inconsistencies lie.
  
  
  Check for System Notes: Look for any SAP Notes or patches that might address known issues related to this error.
  
  
  Consult with SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a bug or a deeper configuration issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04, MD05, and COHV (for production order processing).
  SAP Notes: Regularly check the SAP Support Portal for any notes related to this error message.
  Documentation: Review SAP documentation on production planning and inventory management for best practices on pegging and validity assignments.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the GRPG126 error in your SAP system.