How To Fix M3214 - The unit of issue cannot be changed because the material is used in a BOM

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 214

• Message text: The unit of issue cannot be changed because the material is used in a BOM

What causes this issue?

The <DS:GLOS.3526C0ABAFAB52B9E10000009B38F974>unit of issue</> can be
changed only in the following cases:
If there is no change in the
<DS:GLOS.3526C2A3AFAB52B9E10000009B38F974>dimension</> of the unit of
issue, and if the unit of issue is not dimensionless
If the base unit of measure and the previous unit of issue have the
same dimension, and are not dimensionless

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3214 - The unit of issue cannot be changed because the material is used in a BOM ?

  The SAP error message M3214 indicates that you are trying to change the unit of issue for a material that is currently being used in a Bill of Materials (BOM). This restriction is in place because changing the unit of issue could lead to inconsistencies in the BOM and affect production planning and inventory management.
  Cause:
  The primary cause of this error is that the material in question is linked to one or more BOMs. SAP does not allow changes to the unit of issue for materials that are actively used in BOMs to maintain data integrity and avoid potential issues in production processes.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the BOMs: Determine which BOMs are using the material. You can do this by using transaction codes such as CS03 (Display BOM) or CS11 (BOM where-used list) to find the relevant BOMs.
  
  
  Remove the Material from BOMs: If you need to change the unit of issue, you will first need to remove the material from the BOMs. This can be done by:
  
  Using transaction CS02 (Change BOM) to edit the BOM and remove the material.
  Ensure that you have the necessary authorizations to make changes to the BOM.
  
  
  
  Change the Unit of Issue: Once the material is no longer used in any BOM, you can proceed to change the unit of issue. This can be done using transaction MM02 (Change Material) and navigating to the appropriate views.
  
  
  Re-add the Material to BOMs: After changing the unit of issue, if necessary, you can re-add the material to the BOMs with the new unit of issue using transaction CS01 (Create BOM).
  
  
  Check for Dependencies: Ensure that there are no other dependencies or references to the material that might be affected by the change.
  
  
  Related Information:
  
  BOM Management: Understanding how BOMs work in SAP is crucial. BOMs define the components needed to produce a product, and any changes to the components can affect production planning.
  Material Master Data: Familiarize yourself with the material master data and how different views (like Basic Data, Purchasing, and Sales) interact with each other.
  SAP Documentation: Refer to SAP Help documentation for more detailed information on managing BOMs and material master data.
  
  Important Note:
  Always ensure that you have proper backups and that changes are made in a controlled environment, especially in production systems. It may also be beneficial to consult with your SAP administrator or a functional consultant if you are unsure about the implications of these changes.