How To Fix MH135 - WM data cannot be maintained since the warehouse number is blank

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 135

• Message text: WM data cannot be maintained since the warehouse number is blank

What causes this issue?

The warehouse number is determined on the basis of the combination of
plant and storage location. In this case, no warehouse number could be
determined by the system. However, you can maintain warehouse
management data only with reference to a warehouse number.

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?

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 MH135 - WM data cannot be maintained since the warehouse number is blank ?

  The SAP error message MH135 indicates that the Warehouse Management (WM) data cannot be maintained because the warehouse number is blank. This error typically occurs when trying to perform operations related to warehouse management, such as creating or updating master data (like material master, storage location, etc.) without specifying a valid warehouse number.
  Cause:
  
  Missing Warehouse Number: The primary cause of this error is that the warehouse number field is not filled in the relevant transaction or master data record.
  Configuration Issues: There may be issues in the configuration of the warehouse management system, such as missing settings for the warehouse number.
  User Input Error: The user may have inadvertently left the warehouse number blank while entering data.
  
  Solution:
  
  Check Input Fields: Ensure that the warehouse number field is filled in correctly. If you are entering data manually, double-check that you have provided a valid warehouse number.
  Review Master Data: If you are working with material master data or other related records, ensure that the warehouse number is correctly assigned in the relevant views (e.g., Warehouse Management view).
  Configuration Check: If you are a system administrator or have access to configuration settings, check the configuration of the warehouse management system to ensure that the warehouse number is properly defined and active.
  Transaction Code: If you are using a specific transaction code, ensure that it is the correct one for the operation you are trying to perform. Some transactions may require additional parameters or settings.
  User Authorization: Ensure that the user has the necessary authorizations to access and maintain warehouse management data.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), or WM01 (Create Warehouse) that may be involved in the process.
  SAP Notes: Check SAP Notes for any known issues or patches related to warehouse management and this specific error message.
  Documentation: Refer to SAP documentation for Warehouse Management to understand the required fields and configurations for maintaining WM data.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the MH135 error and successfully maintain the WM data in SAP.