Important T-Codes in SAP Warehouse Management (WM)

SAP Warehouse Management (WM) is a powerful tool for managing inventory and warehouse processes. Using Transaction Codes (T-Codes) in SAP WM allows users to perform specific tasks quickly and efficiently. 

Reports in SAP WM

Generating reports in SAP Warehouse Management is essential for monitoring inventory and warehouse performance. Here are some crucial T-Codes for reporting:
 
T-Code Description Equivalent T-Code in Inventory Management (IM)
LX02 Warehouse Stocks MB52
LS24 Quants per Storage Bin MMBE
LT22 Transfer Orders MB51

Warehouse Activity Monitor T-Codes

The Warehouse Activity Monitor helps in identifying and addressing issues within the warehouse. The key T-Code used is:
  • LL01 – Launches the Warehouse Activity Monitor to track pending tasks, delays, and errors within the warehouse operations.

Transfer Requirements (TR) T-Codes

Transfer Requirements are requests for material movements within the warehouse. The most important TR T-Codes are:
 
T-Code Description
LB10 List of Transfer Requirements (TRs)
LB01 Create a Transfer Requirement
LB02 Change a Transfer Requirement
LB03 Delete a Transfer Requirement

Transfer Orders (TO) T-Codes

Transfer Orders (TO) are created based on Transfer Requirements or deliveries for material movements.  Essential TO T-Codes include:

Create Transfer Orders

  • LT01 – Create Transfer Order (Display only via LT21; no change in standard system)
  • LT10 – Process Transfer Orders from Transfer Requirements (TRs)
  • LT03 – Create Transfer Order for Delivery

Cancel Transfer Orders

  • LT15 – Cancel a Transfer Order

Confirm Transfer Orders

  • LT22 – Confirm Transfer Orders (Example)

Inventory Management T-Codes

Managing inventory effectively requires various T-Codes for document creation, result entry, and clearing differences.

Create Inventory Document & Activate

  • LI01N – Create and activate an inventory document
  • LI02N – Create inventory document (Variant)
  • LI03N – Change inventory document
  • LX22 – Inventory Overview

Enter Count Result

  • LI11N – Enter count results for inventory documents

Clear Differences

  • LI20 – Clear differences in Warehouse Management (WM)
  • LI21 – Clear differences in Inventory Management (IM)

Post Change T-Codes

  • LU04 - List of Post Changes
  • LU01 - Create Post Change
  • LU02 - Change Post Change
  • LU03 - Display Post Change
  • LQ01 - Create Stock Transfer
  • LQ02 - Change Stock Transfer
  • LQ03 - Display Stock Transfer

Conclusion

Understanding and utilizing these important T-Codes in SAP Warehouse Management (WM) can significantly enhance efficiency, accuracy, and productivity within your warehouse operations. From creating transfer orders to generating comprehensive reports, SAP WM provides powerful tools to streamline warehouse management processes.

1. What is the difference between Transfer Requirements (TR) and Transfer Orders (TO) in SAP WM?

A Transfer Requirement (TR) is a request for material movement, while a Transfer Order (TO) is an actual instruction to perform that material movement. TRs are typically generated from warehouse processes like goods receipts or goods issues, whereas TOs are created to execute those requests.

2. How do I create a Transfer Requirement in SAP WM?

You can create a Transfer Requirement using the T-Code LB01. This code allows you to define the materials to be transferred along with their quantity and destination.

3. Which T-Code is used for confirming a Transfer Order in SAP WM?

The T-Code LT22 is commonly used to confirm Transfer Orders, which ensures that the physical movement of materials is recorded and updated in the system.

4. How do I clear inventory differences in SAP WM?

Inventory differences can be cleared using the T-Codes LI20 for Warehouse Management and LI21 for Inventory Management.

5. What is the purpose of the Warehouse Activity Monitor (LL01)?

The Warehouse Activity Monitor (LL01) helps monitor various warehouse activities and detect potential issues or delays within the warehouse processes. It offers reports and alerts for areas needing immediate attention.

6. Can I modify a Transfer Order once it is created?

In a standard SAP WM system, Transfer Orders cannot be modified after creation. However, they can be canceled using the T-Code LT15 if needed.

These essential T-Codes in SAP Warehouse Management can significantly streamline your warehouse processes and improve overall efficiency.
 

SAP WMS Tips

See Also
Warehouse Management Configuration in SAP Checklist

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

SAP Warehouse Management Books
SAP WM Books  - Configuration

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SAP Logistics Execution

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SAP WMS Discussion Forum and Warehouse Management Tips

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