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

WB2_ASGT046 - Overview

• 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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WB2_ASGT046 - Details

• 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