How To Fix 29145 - in material number & cannot be replaced

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 145

• Message text: in material number & cannot be replaced

What causes this issue?

You want to copy material &V1& to a further item.
The number of characters is greater than the copy default.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29145 - in material number & cannot be replaced ?

  SAP error message 29145 typically indicates that a material number cannot be replaced due to certain constraints or conditions in the system. This error often arises in the context of material master data management, particularly when dealing with material substitutions or replacements.
  Cause:
  
  Material Status: The material you are trying to replace may have a status that prevents it from being used in transactions (e.g., it could be marked as obsolete or inactive).
  Substitution Settings: The substitution settings for the materials involved may not be correctly configured. This could include missing or incorrect entries in the material substitution table.
  Dependencies: There may be dependencies or conditions that prevent the replacement, such as open purchase orders, stock levels, or other transactions that are linked to the material.
  Material Type Restrictions: Certain material types may have restrictions on replacements based on business rules or configurations in the system.
  
  Solution:
  
  Check Material Status: Verify the status of the material in the material master record. If it is inactive or obsolete, you may need to change its status or use a different material.
  Review Substitution Configuration: Go to the material substitution configuration in the system (transaction code OBY6 or similar) and ensure that the substitution rules are correctly set up for the materials involved.
  Check for Open Transactions: Look for any open purchase orders, sales orders, or stock movements that may be linked to the material. Resolve these transactions if necessary.
  Consult Documentation: Review the SAP documentation or help files related to material management and substitutions for any specific guidelines or restrictions that may apply.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and OBY6 (Substitution Configuration).
  SAP Notes: Check SAP Notes for any known issues or patches related to error message 29145.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to perform the actions related to material replacement.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.