How To Fix M3643 - No bill of material exists

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 643

• Message text: No bill of material exists

What causes this issue?

No bill of material (BOM) exists yet for this material, for example,
because
you have only just started to create the material master record
you have not yet created a BOM in the system for this material

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3643 - No bill of material exists ?

  The SAP error message M3643 "No bill of material exists" typically occurs when you are trying to create or process a production order, material requirement planning (MRP), or similar transactions that require a Bill of Materials (BOM) for a specific material, but the system cannot find a BOM for that material.
  Cause:
  
  Missing BOM: The most common cause is that a BOM has not been created for the material in question.
  Incorrect Material Type: The material may not be set up to have a BOM, or it may be of a type that does not require a BOM.
  Plant/Location Issues: The BOM may exist, but it is not assigned to the plant or location you are working with.
  Status of BOM: The BOM may be inactive or not valid for the date range you are trying to use it.
  Incorrect Configuration: There may be configuration issues in the system that prevent the BOM from being recognized.
  
  Solution:
  
  Create a BOM: If a BOM does not exist for the material, you will need to create one using transaction code CS01 (Create BOM).
  Check BOM Existence: Use transaction code CS03 (Display BOM) to check if a BOM exists for the material and plant combination you are working with.
  Verify Plant Assignment: Ensure that the BOM is assigned to the correct plant. If it is not, you may need to create a new BOM for the correct plant or copy the existing one.
  Check BOM Status: Ensure that the BOM is active and valid for the required date range. You can check this in the BOM details.
  Material Type Configuration: Verify that the material type is configured to allow BOMs. This can be checked in the material master record.
  Consult Documentation: If you are unsure about the steps, refer to SAP documentation or consult with your SAP support team for guidance.
  
  Related Information:
  
  Transaction Codes:
  
  CS01: Create BOM
  CS02: Change BOM
  CS03: Display BOM
  CS11: Display BOM for a Material
  
  
  BOM Types: Understand the different types of BOMs (e.g., single-level, multi-level) and their applications.
  Material Master: Check the material master record (transaction code MM03) to ensure that the material is set up correctly.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to BOMs and this error message.
  
  By following these steps, you should be able to resolve the M3643 error and ensure that the necessary BOM is in place for your material.