How To Fix STEP784 - Create MAT BOM &1: Plant &2, usage &3, alt. &4 found

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 784

• Message text: Create MAT BOM &1: Plant &2, usage &3, alt. &4 found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message STEP784 - Create MAT BOM &1: Plant &2, usage &3, alt. &4 found ?

  The SAP error message "STEP784 Create MAT BOM &1: Plant &2, usage &3, alt. &4 found" typically occurs during the creation of a Material Bill of Materials (BOM) in the SAP system. This error indicates that there is an existing BOM for the specified material, plant, usage, and alternative BOM number combination. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Existing BOM: The primary cause of this error is that a BOM already exists for the specified material (&1), plant (&2), usage (&3), and alternative BOM number (&4). The system does not allow the creation of a new BOM if one already exists for the same parameters.
  
  Solution:
  
  
  Check Existing BOM: 
  
  Use transaction code CS03 (Display BOM) to check if a BOM already exists for the specified material, plant, and usage. 
  If a BOM is found, you can either modify it or delete it if it is no longer needed.
  
  
  
  Change BOM: 
  
  If you need to make changes to the existing BOM, you can use transaction code CS02 (Change BOM) to update the existing BOM instead of creating a new one.
  
  
  
  Create Alternative BOM: 
  
  If you need to create a new BOM with different specifications, consider using a different alternative BOM number or changing the usage type if applicable.
  
  
  
  Review BOM Usage: 
  
  Ensure that you are using the correct BOM usage type. Different usages (like production, engineering, etc.) can have different BOMs.
  
  
  
  Consult Documentation: 
  
  If you are unsure about the usage or alternative BOM numbers, refer to your organization's documentation or consult with a colleague who is familiar with BOM management in your SAP environment.
  
  
  
  Related Information:
  
  BOM Types: Understand the different types of BOMs (e.g., production BOM, sales BOM, etc.) and their respective usages.
  Transaction Codes:
  
  CS01: Create BOM
  CS02: Change BOM
  CS03: Display BOM
  CS11: Display BOM for a material
  
  
  SAP Notes: Check SAP Notes for any known issues or updates related to BOM management that might be relevant to your version of SAP.
  
  By following these steps, you should be able to resolve the error and manage your BOMs effectively in SAP.