How To Fix WRF_APC227 - No reference plants found

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_APC - Messages for Operational Assortment Planning and Control

• Message number: 227

• Message text: No reference plants found

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRF_APC227 - No reference plants found ?

  The SAP error message WRF_APC227: No reference plants found typically occurs in the context of Advanced Planning and Optimization (APO), specifically within the Supply Network Planning (SNP) or Production Planning and Detailed Scheduling (PP/DS) modules. This error indicates that the system could not find any reference plants for a particular product or location during planning or data transfer processes.
  
  Cause
  
  
  Missing or Incorrect Reference Plant Assignment:
  
  The system expects a reference plant to be assigned for the product/location combination, but none is found. Reference plants are used in APO to determine where the product is primarily produced or sourced from, which is essential for planning and procurement.
  
  
  Master Data Inconsistency:
  
  The product master data or location master data might be incomplete or incorrectly maintained. For example, the product may not be assigned to any plant in the ERP system, or the integration model between ERP and APO is missing or incomplete.
  
  
  Incorrect SNP/PP/DS Configuration:
  
  The planning area or product location master data in APO might not have the reference plant maintained, or the SNP model is not properly set up.
  
  
  Data Transfer Issues:
  
  If the CIF (Core Interface) transfer from ERP to APO is incomplete or has errors, the reference plant data might not be replicated correctly.
  
  
  
  Solution
  
  
  Check Product Master Data in ERP:
  
  Verify that the product is assigned to at least one plant in the ERP system (transaction MM01/MM02).
  Ensure that the plant is correctly maintained as a production or reference plant.
  
  
  
  Check Location and Product Location Master Data in APO:
  
  Use transaction /SAPAPO/MAT1 to check product master data.
  Use /SAPAPO/LOC3 to check location master data.
  Ensure that the product-location combination has a reference plant assigned.
  
  
  
  Maintain Reference Plant in APO:
  
  In APO, assign the reference plant for the product/location combination.
  This can be done in the product master data under the SNP or PP/DS relevant views.
  
  
  
  Verify CIF Integration:
  
  Check the CIF queues and logs (transaction /SAPAPO/CIF or /SAPAPO/CIFMON) to ensure that master data and transactional data are correctly transferred.
  Re-initialize or re-transfer the product/location master data if necessary.
  
  
  
  Check SNP/PP/DS Configuration:
  
  Verify the SNP model and planning area settings.
  Ensure that the reference plants are correctly defined in the SNP model.
  
  
  
  Run Consistency Checks:
  
  Use standard SAP reports or tools to check master data consistency between ERP and APO.
  
  
  
  
  Related Information
  
  
  SAP Notes:
  
  Search for SAP Notes related to WRF_APC227 or reference plant issues in APO for any known bugs or patches.
  
  
  Transactions:
  
  /SAPAPO/MAT1 – Product Master in APO
  /SAPAPO/LOC3 – Location Master in APO
  /SAPAPO/CIF – CIF Monitor
  MM01/MM02 – Material Master in ERP
  
  
  
  Documentation:
  
  SAP APO SNP and PP/DS Master Data guides
  CIF integration documentation between ERP and APO
  
  
  
  Common Scenarios:
  
  When creating or changing a product in APO, the reference plant must be maintained.
  During SNP planning runs, the system needs reference plants to determine sourcing and production locations.
  
  
  
  
  If after these checks the problem persists, consider debugging the planning run or data transfer process to identify where the reference plant lookup fails.