How To Fix GRPG126 - Pegging created inconsistency in validity assignments

GRPG126 - Overview

• 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.

GRPG126 - Details

• 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