How To Fix VMP_MSG338 - BOM is already loaded.

VMP_MSG338 - Overview

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 338

• Message text: BOM is already loaded.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message VMP_MSG338 - BOM is already loaded. ?

  Certainly! Here's a detailed explanation for the SAP error message VMP_MSG338: "BOM is already loaded."
  
  Error Message
  VMP_MSG338: BOM is already loaded.
  
  Cause
  This error occurs when you try to load a Bill of Materials (BOM) into the SAP Variant Configuration (LOVC - List of Values for Characteristics) or into the Variant Configuration model, but the system detects that the BOM is already loaded in the current session or context.
  In other words, the system prevents reloading the same BOM multiple times to avoid redundancy or conflicts during configuration or processing.
  
  When does it typically occur?
  
  When using transaction CU50 (Configuration Profile) or CU51 (Configuration Profile with BOM).
  During variant configuration when the BOM is being read or loaded multiple times.
  When a user or program tries to load the same BOM again without clearing or resetting the previous load.
  In custom developments or user exits where BOM loading is triggered programmatically.
  
  
  Solution / How to resolve
  
  
  Check if BOM is already