How To Fix /SAPAPO/OM034 - One of the pegging edges to be fixed already has a fixed quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM -

• Message number: 034

• Message text: One of the pegging edges to be fixed already has a fixed quantity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM034 - One of the pegging edges to be fixed already has a fixed quantity ?

  The SAP error message /SAPAPO/OM034 indicates that there is an issue with pegging in the Advanced Planning and Optimization (APO) module of SAP. Specifically, it means that one of the pegging edges (which are used to link supply and demand) is attempting to be fixed, but it already has a fixed quantity associated with it. This can occur in scenarios where you are trying to adjust or fix quantities in the planning process, but the system has detected a conflict due to existing fixed quantities.
  Cause:
  
  
  Conflicting Fixing: The error typically arises when you attempt to fix a quantity for a pegging edge that is already fixed. This can happen if:
  
  You are trying to fix a supply or demand quantity that has already been set as fixed in a previous operation.
  There are multiple planning runs or changes being made that conflict with each other.
  
  
  
  Data Integrity Issues: There may be inconsistencies in the data, such as incorrect settings in the planning book or master data that lead to this error.
  
  
  Planning Parameters: The settings in the planning parameters may not allow for the changes you are trying to make.
  
  
  Solution:
  
  
  Check Existing Fixes: Review the existing fixed quantities for the pegging edges involved. You can do this by:
  
  Navigating to the relevant planning book or transaction where the pegging is defined.
  Checking the fixed quantities in the supply and demand planning views.
  
  
  
  Adjust Fixing Strategy: If you need to change the fixed quantity, you may need to first unfix the existing quantity before applying the new fix. This can usually be done in the planning book or through the relevant transaction.
  
  
  Review Planning Parameters: Ensure that the planning parameters are set correctly to allow for the changes you are trying to make. This may involve checking the configuration settings in the APO system.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific guidance or updates that may apply to your version of SAP.
  
  
  Debugging: If the issue persists, consider debugging the planning run or using transaction codes like /SAPAPO/OM01 to analyze the pegging relationships and identify where the conflict arises.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is impacting critical business processes.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM01 (to view pegging relationships) and /SAPAPO/SDP94 (to view the planning book).
  SAP Notes: Check for any SAP Notes that may address this specific error or provide patches or updates.
  Training and Documentation: Ensure that users involved in the planning process are trained on how to manage fixed quantities and understand the implications of pegging in SAP APO.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.