How To Fix ARUN_MAIN154 - Can't change ARun relevant field with 'Assigned batches' for item &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 154

• Message text: Can't change ARun relevant field with 'Assigned batches' for item &1

What causes this issue?

Material of the delivery item is ARun relevant and is set to
<ZK>Assigned batches</>. You cannot change the below Supply assignment
fields for the item:
Plant
Storage location
Batch
Stock Segment

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 ARUN_MAIN154 - Can't change ARun relevant field with 'Assigned batches' for item &1 ?

  The SAP error message ARUN_MAIN154 indicates that there is an issue with changing a field related to batch management for a specific item in the system. This error typically arises when you attempt to modify a field that is marked as "ARun relevant" while the item has assigned batches. 
  Cause:
  The error occurs because:
  
  The item in question has batches assigned to it, and the system does not allow changes to certain fields when batches are assigned.
  The field you are trying to change is considered critical for batch management and is locked to prevent inconsistencies in inventory management.
  
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check Batch Assignment: Verify if the item indeed has batches assigned. You can do this by checking the batch management view of the material in question.
  
  
  Remove Batch Assignment: If it is appropriate for your business process, you may need to remove the batch assignment for the item before making the changes. This can be done through the batch management transaction (e.g., using transaction code MSC3N to display batches and MSC2N to change them).
  
  
  Change the Field: Once the batch assignment is removed, you should be able to change the relevant field without encountering the error.
  
  
  Consult Documentation: Review the SAP documentation or help files related to batch management and the specific fields you are trying to change. This can provide insights into the implications of changing those fields.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to make changes to the item and its batch assignments.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  Related Information:
  
  Batch Management: Understand how batch management works in SAP, including the implications of assigning and unassigning batches.
  Material Master Data: Familiarize yourself with the material master data structure and how it interacts with batch management.
  Transaction Codes: Common transaction codes related to batch management include:
  
  MM02 - Change Material Master
  MSC1N - Create Batch
  MSC2N - Change Batch
  MSC3N - Display Batch
  
  
  
  By following these steps, you should be able to address the error and proceed with your changes in SAP.