How To Fix WM156 - Function not allowed

WM156 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 156

• Message text: Function not allowed

What causes this issue?

The function you have chosen is either not yet allowed, not yet
available or not yet released for use.

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?

Please try another function.

Error message extract from SAP system. Copyright SAP SE.

WM156 - Details

• The SAP error message WM156 ("Function not allowed") typically occurs in the Warehouse Management (WM) module when a user attempts to perform an operation that is not permitted in the current context or configuration. This can happen for various reasons, and understanding the cause is essential for resolving the issue.
  Causes of WM156 Error
  
  Incorrect Movement Type: The movement type being used may not be allowed for the specific operation or stock type.
  Warehouse Configuration: The warehouse may not be configured to allow certain functions, such as stock transfers or physical inventory.
  User Authorizations: The user may lack the necessary authorizations to perform the action.
  Stock Type Restrictions: Certain stock types (e.g., blocked stock) may have restrictions on movements.
  Status of the Material: The material may be in a status that does not allow the requested operation (e.g., blocked, restricted).
  Inconsistent Data: There may be inconsistencies in the master data or transaction data that prevent the operation