How To Fix WRF_APC_INB158 - Duplicate key &1 in the table of planned quantities

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_APC_INB - Messages for OAPC Inbound Processing

• Message number: 158

• Message text: Duplicate key &1 in the table of planned quantities

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRF_APC_INB158 - Duplicate key &1 in the table of planned quantities ?

  SAP Error Message:
  
  WRF_APC_INB158 – Duplicate key &1 in the table of planned quantities
  
  Cause:
  This error occurs when the system detects duplicate entries (keys) in the internal table of planned quantities during planning or data processing in SAP Advanced Planning and Optimization (APO) or related modules. Specifically, the key fields that uniquely identify planned quantities (such as product, location, version, and time bucket) appear more than once, which violates the uniqueness constraint.
  Common scenarios causing this error include:
  
  Incorrect or inconsistent master data leading to multiple identical records.
  Data load or integration issues where the same planned quantity is entered multiple times.
  Custom code or user exits that inadvertently insert duplicate entries.
  Incorrect planning version or planning object combinations causing duplicates.
  
  
  Solution:
  To resolve the WRF_APC_INB158 error, follow these steps:
  
  
  Identify the Duplicate Key:
  
  The error message will show the duplicate key (&1) which typically includes product, location, version, and time bucket.
  Use transaction or report tools to check the planned quantities table (e.g., /SAPAPO/PPDS_PQ or relevant planning tables) for duplicates.
  
  
  
  Check Master Data:
  
  Verify that master data (product, location, planning version) is consistent and does not contain duplicates.
  Ensure that the planning version is correctly maintained and active.
  
  
  
  Review Data Loads and Interfaces:
  
  If data is loaded via CIF or other interfaces, check the source data for duplicates.
  Reprocess or clean the data load to avoid duplicate entries.
  
  
  
  Analyze Custom Code:
  
  If user exits, BAdIs, or custom programs are involved in planning quantity updates, review the logic to prevent inserting duplicates.
  Add checks before inserting records to ensure uniqueness.
  
  
  
  Clean Up Duplicate Entries:
  
  If duplicates already exist in the database, delete or merge them carefully.
  Use SAP standard transactions or database tools to remove duplicates.
  
  
  
  Re-run Planning or Data Processing:
  
  After cleanup, re-execute the planning run or data processing step that caused the error.
  
  
  
  
  Related Information:
  
  Modules: APO (Advanced Planning and Optimization), PP/DS (Production Planning and Detailed Scheduling), SNP (Supply Network Planning)
  Tables: /SAPAPO/PPDS_PQ (Planned Quantities), /SAPAPO/DP_PLANNED_QUANTITIES
  Transactions: 
  
  /SAPAPO/OM17 (Planning Version Maintenance)
  /SAPAPO/PPDS (PP/DS Planning)
  
  
  Notes and Documentation:
  
  Check SAP Notes related to planning version and planned quantities duplicates.
  Review SAP Help Portal for APO planning version and data consistency.
  
  
  
  
  Summary:
  The WRF_APC_INB158 error indicates duplicate planned quantity entries violating uniqueness constraints. The solution involves identifying and removing duplicates, verifying master data and interfaces, and ensuring custom code does not create duplicates. Proper data management and validation prevent recurrence of this error.