How To Fix STEP445 - Relationship &1 cannot be assigned to BOM item &2 (No Mat.)

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 445

• Message text: Relationship &1 cannot be assigned to BOM item &2 (No Mat.)

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 STEP445 - Relationship &1 cannot be assigned to BOM item &2 (No Mat.) ?

  The SAP error message "STEP445 Relationship &1 cannot be assigned to BOM item &2 (No Mat.)" typically occurs in the context of Bill of Materials (BOM) management. This error indicates that there is an issue with the assignment of a relationship to a BOM item, specifically that the item in question does not have a material associated with it.
  Cause:
  
  Missing Material Master Record: The BOM item referenced in the error message does not have a corresponding material master record. This could happen if the material was not created or was deleted.
  Incorrect BOM Configuration: The relationship being assigned may not be valid for the specified BOM item. This could be due to incorrect configuration or settings in the BOM.
  Data Inconsistency: There may be inconsistencies in the data related to the BOM or the materials involved, leading to the inability to assign the relationship.
  
  Solution:
  
  Check Material Master: Verify that the material master record for the BOM item exists. You can do this by using transaction code MM03 to display the material and ensure it is active and correctly configured.
  Review BOM Configuration: Check the BOM configuration to ensure that the relationships being assigned are valid for the BOM item. You can use transaction code CS03 to display the BOM and review its structure.
  Create Missing Material: If the material does not exist, you may need to create it using transaction code MM01 (Create Material).
  Correct Relationships: Ensure that the relationships you are trying to assign are appropriate for the BOM item. You may need to consult documentation or SAP support for the correct relationships.
  Data Consistency Check: Run consistency checks on the BOM and related materials to identify any discrepancies. You can use transaction code CS15 to check for dependent requirements.
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  CS03: Display BOM
  CS15: BOM Explosion
  CS11: Display BOM for a Material
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP Help documentation for BOM management to understand the relationships and configurations better.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.