How To Fix IH129 - Error when copying the bills of material

IH129 - Overview

• Message type: E = Error

• Message class: IH - structuring

• Message number: 129

• Message text: Error when copying the bills of material

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

IH129 - Details

• The SAP error message IH129 typically occurs when there is an issue with copying bills of material (BOMs) in the SAP system. This error can arise due to various reasons, and understanding the cause is essential for finding a solution. Here are some common causes, potential solutions, and related information for the IH129 error:
  Causes of IH129 Error
  
  
  Missing Master Data: The material or component being referenced in the BOM may not exist in the system or may not be properly defined.
  
  
  Inconsistent BOM Data: There may be inconsistencies in the BOM data, such as missing or incorrect item categories.
  
  
  Authorization Issues: The user may not have the necessary authorizations to copy BOMs.
  
  
  
  Configuration Issues: There may be configuration settings in the system that prevent the copying of BOMs.
  
  
  Data Locking: The BOM or related data may be locked by another user or process, preventing the copy operation.
  
  
  Solutions to IH129 Error
  
  
  Check Master Data: Ensure that all