How To Fix WSTRN010 - Allocation Rule &1 is already in your allocation plan

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTRN - Message for Prepack Creation and Planning Dialog

• Message number: 010

• Message text: Allocation Rule &1 is already in your allocation plan

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSTRN010 - Allocation Rule &1 is already in your allocation plan ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WSTRN010 Allocation Rule &1 is already in your allocation plan
  
  Cause:
  This error occurs when you try to add an allocation rule to an allocation plan, but the rule is already included in that plan. In other words, the system prevents duplicate entries of the same allocation rule within a single allocation plan.
  
  Explanation:
  
  Allocation Plan: A collection of allocation rules used in SAP to distribute costs or quantities according to predefined criteria.
  Allocation Rule: Defines how costs or quantities are allocated from sender cost centers to receiver cost centers.
  When you attempt to add an allocation rule that already exists in the allocation plan, SAP throws this error to avoid redundancy and potential conflicts in allocation processing.
  
  
  Solution:
  
  Check Existing Allocation Rules: Before adding a new allocation rule, verify if it already exists in the allocation plan.
  Remove Duplicate Entry: If you find the rule already present, you do not need to add it again.
  Use Transaction Codes:
  
  Use KSU1 (Create Allocation Plan) or KSU2 (Change Allocation Plan) to view and manage allocation plans.
  Review the list of allocation rules assigned to the plan.
  
  
  If you intended to modify the rule: Instead of adding a duplicate, edit the existing allocation rule within the plan.
  If you want to add a different rule: Ensure you are using the correct allocation rule number.
  
  
  Related Information:
  
  Transaction Codes:
  
  KSU1 – Create Allocation Plan
  KSU2 – Change Allocation Plan
  KSU3 – Display Allocation Plan
  
  
  SAP Module: Controlling (CO), specifically Cost Center Accounting (CCA)
  Notes:
  
  Allocation plans are used in periodic allocations to distribute costs.
  Avoid duplication to maintain data integrity and correct allocation results.
  
  
  SAP Help Portal: Search for "Allocation Plan" and "Allocation Rule" for detailed documentation.
  Common Scenario: When copying allocation plans or rules, duplicates may inadvertently be created.
  
  
  If you need further assistance or step-by-step guidance on managing allocation plans, feel free to ask!