How To Fix MH145 - If the warehouse number is blank, the WM data will be reset

SAP Error Message - Details

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 145

• Message text: If the warehouse number is blank, the WM data will be reset

What causes this issue?

The warehouse number is determined on the basis of the combination of
plant and storage location. In this case, the system could not
determine a warehouse number. However, you can maintain warehouse
management data only with reference to a warehouse number.

System Response

The system resets the warehouse management data.

How to fix this error?

Check your entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MH145 - If the warehouse number is blank, the WM data will be reset ?

  The SAP error message MH145 indicates that the warehouse number is blank, which leads to the resetting of Warehouse Management (WM) data. This error typically occurs in scenarios where the system expects a valid warehouse number for processing inventory or logistics transactions, but it finds that the warehouse number field is empty.
  Cause:
  
  Missing Warehouse Number: The most common cause is that the warehouse number field is not populated in the relevant transaction or master data.
  Data Entry Error: Users may have inadvertently left the warehouse number blank during data entry.
  Configuration Issues: There may be issues in the configuration of the warehouse management system that prevent the warehouse number from being recognized or populated.
  Master Data Issues: The material master or other related master data may not have the necessary warehouse number assigned.
  
  Solution:
  
  Check Input Data: Ensure that the warehouse number is correctly entered in the relevant transaction. If you are using a transaction code, verify that the warehouse number field is filled out.
  Review Master Data: Check the material master and other related master data to ensure that the warehouse number is assigned correctly. You can do this by using transaction codes like MM03 (Display Material) to view the material master data.
  Configuration Review: If the issue persists, review the configuration settings in the Warehouse Management module. Ensure that the warehouse number is properly defined and that all necessary settings are in place.
  User Training: Provide training to users to ensure they understand the importance of entering the warehouse number and how to do it correctly.
  Debugging: If you have access to technical resources, consider debugging the transaction to identify where the warehouse number is being lost or not populated.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MM03: Display Material
  LT03: Create Transfer Order
  LX01: Inventory Management
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on Warehouse Management for best practices and guidelines on managing warehouse numbers and related data.
  
  By addressing the root cause of the blank warehouse number, you can resolve the MH145 error and ensure smooth operations within the Warehouse Management module.