How To Fix 29045 - Enter change number - BOM has history requirement

29045 - Overview

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 045

• Message text: Enter change number - BOM has history requirement

What causes this issue?

You want to change a particular BOM but you have not entered a change
number.
This error message appears for the following reasons:
Once a BOM has been changed with history (with a change number), it can
only be changed with history.
Options set via Customizing (BOMs) determine that BOMs with a
particular usage and status are to be changed with history.

How to fix this error?

Check your entries.
If your entries for the BOM are correct, enter a change number.
The following factors should be taken into account when choosing a
change number:
which object types or which objects can be changed using this change
number;
the validity of the change number ;
the reason for the change.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29045 - Enter change number - BOM has history requirement ?

  The SAP error message 29045, "Enter change number - BOM has history requirement," typically occurs when you are trying to make changes to a Bill of Materials (BOM) that has a history requirement set. This means that the system requires a change number to track the changes made to the BOM for historical purposes.
  
  Cause:
  The error is triggered because:
  
  The BOM is configured to require a change number for any modifications.
  You are attempting to change the BOM without providing a valid change number.
  
  
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Obtain a Change Number:
  
  You need to create or obtain a valid change number. This can usually be done through the transaction code CC01 (Create Change Number) in SAP.
  Fill in the necessary details and save the change number.
  
  
  
  Enter the Change Number:
  
  Once you have a valid change number, go back to the transaction where you were trying to modify the BOM (e.g., CS01