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

WRF_APC_INB158 - Overview

• 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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Smart SAP Assistant

• 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