Goodbye MB1A, MB1B, MB1C: The End of Legacy Inventory Transactions in S/4 HANA

Introduction

With the transition to SAP S/4 HANA, many companies are facing changes in how inventory transactions are managed. Traditional transaction codes like MB1A, MB1B, and MB1C have officially been phased out in S/4 HANA. This shift is proving challenging for organizations relying on these outdated codes, especially those using batch input programs for inventory updates.

Obsolete Material inventory management transactions

Why MB1A, MB1B, and MB1C Are Phased Out in S/4 HANA

SAP has retired various old inventory transaction codes under S/4 HANA to streamline processes and encourage the use of more efficient and modernized tools. The list of deprecated transaction codes includes:
  • MB1A – Goods Issue
  • MB1B – Transfer Posting
  • MB1C – Goods Receipt
These codes, along with many others, are now replaced by the advanced transaction MIGO or the BAPIs (Business Application Programming Interfaces):
  • BAPI_GOODSMVT_CREATE
  • BAPI_GOODSMVT_CANCEL
The rationale behind this shift is to reduce redundancy, enhance performance, and promote better user experiences through more robust interfaces.

Impact on Companies Using Batch Input Programs

For companies that have been heavily reliant on batch input programs for inventory updates, this change may cause significant disruption. The primary reason these older transaction codes were preferred was due to the difficulty of implementing batch input using MIGO.

In many cases, businesses have integrated custom batch input programs specifically designed around MB1A, MB1B, and MB1C. With these transactions no longer supported, companies are compelled to revise their processes and migrate to more efficient methods.

What’s Replacing MB1A, MB1B, and MB1C?

The MIGO transaction is now the primary method for processing inventory transactions in SAP S/4 HANA. MIGO offers a streamlined, user-friendly interface that consolidates various goods movement transactions into a single screen.

Additionally, for automated processes or integrations, SAP provides BAPI functions such as:
 

  • BAPI_GOODSMVT_CREATE – Used for creating goods movements programmatically.
  • BAPI_GOODSMVT_CANCEL – Allows for cancellation of goods movements through programming interfaces.
These BAPI functions are intended to replace the outdated MB transactions for businesses requiring automated solutions for inventory management.

List of Deprecated Inventory Transaction Codes in S/4 HANA

Deprecated Transaction Code Description
MB01 Goods Receipt for Purchase Order
MB02 Change Material Document
MB03 Display Material Document
MB04 Subsequent Adjustment of Subcontracting
MB05 Change Batch Input Session
MB0A Goods Receipt for Order
MB11 Goods Movement
MB1A Goods Issue
MB1B Transfer Posting
MB1C Goods Receipt
MB31 Goods Receipt for Production Order
MBNL New Items Posting
MBRL Return Delivery
MBSF Subcontracting Process
MBSL Physical Inventory Document List
MBST Cancel Material Document
MBSU Subsequent Adjustment
MBBM Batch Input Management

Additionally, SAP recommends using the Fiori App Stock Overview for a more modernized experience.

Migrating to New Solutions

Transitioning from MB1A, MB1B, and MB1C to MIGO or BAPI-based solutions is a critical step for businesses aiming to stay compliant with SAP’s updated architecture.  It’s essential to:
  1. Evaluate Current Systems: Identify processes dependent on outdated transaction codes.
  2. Implement BAPI Functions: Where batch input is required, utilize BAPI_GOODSMVT_CREATE and BAPI_GOODSMVT_CANCEL.
  3. Train Users: Ensure that end-users are proficient in using MIGO or the appropriate Fiori apps.
  4. Test and Validate: Before going live, conduct thorough testing to ensure smooth operations.

Frequently Asked Questions (FAQs)

1. Why are MB1A, MB1B, and MB1C removed in SAP S/4 HANA?

SAP has deprecated these transaction codes to simplify inventory management processes and improve system performance. The replacement with MIGO and BAPIs offers better integration and usability.

2. Can I still use MB1A, MB1B, and MB1C in S/4 HANA?

No, these transaction codes are now obsolete and will trigger an error message if attempted to be used from the menu.

3. What is the best alternative to MB1A, MB1B, and MB1C?

The most recommended alternatives are MIGO for manual transactions and BAPI_GOODSMVT_CREATE / BAPI_GOODSMVT_CANCEL for automated processes.

4. What happens to custom batch input programs using MB1A, MB1B, and MB1C?

Such programs will no longer function in S/4 HANA and need to be replaced with BAPI-based solutions or restructured to work with MIGO.

5. Where can I learn more about migrating to MIGO or BAPI functions?

SAP's official documentation and support portal provide detailed guides and best practices for migrating from deprecated transactions to modern alternatives.

Conclusion

The end of transaction codes like MB1A, MB1B, and MB1C marks a significant step in SAP’s evolution towards a more efficient and user-friendly platform. Companies are encouraged to adapt to the new tools and processes to maintain seamless inventory management. Transitioning to MIGO or BAPIs will ensure compatibility and improve overall performance within SAP S/4 HANA.
 

SAP MM Tips

See also
Material Master Multiple Choice Questions Answers

Get help for your SAP MM problems
SAP MM Forums - Do you have a SAP MM Question?

SAP MM Books
SAP Material Management Certification, Interview and Configuration Reference Books

SAP Material Management Tips
SAP MM Configuration Tips and Materials Management Discussion Forum

Main Index
SAP ERP Modules, Basis, ABAP and Other IMG Stuff

All the site contents are Copyright © www.erpgreat.com and the content authors. All rights reserved.
All product names are trademarks of their respective companies.  The site www.erpgreat.com is in no way affiliated with SAP AG.
Every effort is made to ensure the content integrity.  Information used on this site is at your own risk.
 The content on this site may not be reproduced or redistributed without the express written permission of
www.erpgreat.com or the content authors.