How To Fix WB2_ASGT046 - Shadow item already exists for: &1 &2, item number &3, side &4

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2_ASGT - Shadow items ans assignments

• Message number: 046

• Message text: Shadow item already exists for: &1 &2, item number &3, side &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2_ASGT046 - Shadow item already exists for: &1 &2, item number &3, side &4 ?

  The SAP error message WB2_ASGT046 indicates that there is a conflict with a shadow item that already exists in the system. This typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when dealing with planning books and data views.
  Cause:
  The error message "Shadow item already exists" suggests that the system is trying to create or manipulate a shadow item (a temporary representation of a planning object) that already exists for the specified parameters. The parameters indicated by &1, &2, &3, and &4 usually represent specific identifiers for the planning object, such as:
  
  &1: Object type (e.g., product, location)
  &2: Object key (e.g., product ID, location ID)
  &3: Item number (specific item within the object)
  &4: Side (e.g., supply or demand side)
  
  This error can occur due to various reasons, such as:
  
  Duplicate Entries: There may be duplicate entries in the planning book or data view.
  Incorrect Data Load: Data might have been loaded incorrectly, leading to conflicts.
  Concurrent Processing: Multiple processes trying to create or modify the same shadow item simultaneously.
  
  Solution:
  To resolve the WB2_ASGT046 error, you can take the following steps:
  
  
  Check for Duplicates: Review the planning book or data view for duplicate entries. Ensure that there are no existing shadow items for the specified parameters.
  
  
  Data Consistency: Verify the consistency of the data being loaded or processed. Ensure that the data does not contain duplicates or conflicts.
  
  
  Clear Shadow Items: If you have access, you can try to clear or delete the existing shadow items that are causing the conflict. This can often be done through transaction codes related to APO or by using specific functions in the planning book.
  
  
  Review Process Logic: If the error occurs during a specific process (e.g., during a data load or planning run), review the logic of that process to ensure it is not attempting to create shadow items incorrectly.
  
  
  Consult Documentation: Check SAP documentation or notes related to the specific version of your SAP system for any known issues or additional troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant context.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/SDP94 for planning book maintenance or /SAPAPO/OM17 for shadow item management.
  SAP Notes: Search for SAP Notes related to WB2_ASGT046 for any patches or updates that may address this issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the WB2_ASGT046 error in your SAP system.