How To Fix MH146 - If the storage type is blank, storage-type-specific data will be reset

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 146

• Message text: If the storage type is blank, storage-type-specific data will be reset

What causes this issue?

The storage type is determined on the basis of the combination of plant
and storage location as follows:
The system automatically chooses storage type 005 for the warehouse
number belonging to the combination of plant and storage location. In
the standard SAP System, storage type 005 is the storage type for fixed
storage bins.
If storage type 005 does not exist, the system chooses the first
storage type for the warehouse number.

System Response

If the storage type is blank, storage-type-specific data will be reset.

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 MH146 - If the storage type is blank, storage-type-specific data will be reset ?

  The SAP error message MH146 indicates that there is an issue with the storage type in the warehouse management system (WMS). Specifically, it suggests that the storage type is blank, which leads to the resetting of storage-type-specific data. This can occur in various scenarios, such as during inventory management, goods movements, or when processing warehouse tasks.
  Cause:
  
  Blank Storage Type: The primary cause of this error is that the storage type field is not populated. This can happen if the system is trying to process a transaction that requires a specific storage type, but none is provided.
  Configuration Issues: There may be configuration issues in the warehouse management settings that lead to the storage type not being recognized or set correctly.
  Data Entry Errors: Users may inadvertently leave the storage type field blank during data entry or transaction processing.
  
  Solution:
  
  
  Check Storage Type Configuration:
  
  Go to the configuration settings in SAP and verify that the storage types are correctly defined and active.
  Ensure that the storage type you are trying to use is set up properly in the system.
  
  
  
  Review Transaction Data:
  
  Check the transaction or document that triggered the error. Ensure that the storage type field is filled in correctly.
  If you are using a custom program or transaction, review the code to ensure that it correctly populates the storage type.
  
  
  
  Data Entry:
  
  If the error occurs during manual entry, ensure that users are trained to fill in all required fields, including the storage type.
  Implement validation checks to prevent blank entries in critical fields.
  
  
  
  Testing:
  
  After making changes, test the process again to ensure that the error does not recur.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance related to the error message and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that relate to warehouse management, such as LT01 (Create Transfer Order), LT10 (Transfer Order Confirmation), etc.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  User Roles and Authorizations: Ensure that users have the necessary roles and authorizations to access and modify storage type data.
  
  By addressing the underlying cause of the blank storage type and ensuring proper configuration and data entry practices, you can resolve the MH146 error effectively.