How To Fix WN752 - Do you want the material ledger to be set live now for plant &1?

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 752

• Message text: Do you want the material ledger to be set live now for plant &1?

What causes this issue?

If yes, note that you can change neither the material ledger type nor
the company code later.
If you don't set the material ledger live now, you have to do it later
to enable this plant for productive 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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN752 - Do you want the material ledger to be set live now for plant &1? ?

  The SAP error message WN752 typically occurs when you are trying to activate the Material Ledger for a specific plant in SAP. This message prompts you to confirm whether you want to set the Material Ledger live for the specified plant. Here’s a breakdown of the cause, solution, and related information for this error message:
  Cause:
  
  Material Ledger Activation: The error message appears when you attempt to activate the Material Ledger for a plant that has not yet been set to live. The Material Ledger is a tool in SAP that allows for the management of inventory valuation and provides functionalities for actual costing.
  Configuration Settings: The plant may not have been properly configured to use the Material Ledger, or the necessary prerequisites for activation have not been met.
  
  Solution:
  
  Confirm Activation: If you want to proceed with the activation, you can confirm the prompt by selecting "Yes." This will set the Material Ledger live for the specified plant.
  Check Configuration: If you do not want to activate it, or if you are unsure, you should check the configuration settings for the Material Ledger:
  
  Go to the transaction code OBY6 to check the settings for the Material Ledger.
  Ensure that the plant is correctly configured to use the Material Ledger.
  
  
  Prerequisites: Make sure that all prerequisites for activating the Material Ledger are met, such as:
  
  The plant must be set up for actual costing.
  The necessary settings in the controlling area must be in place.
  
  
  Consult Documentation: Refer to SAP documentation or help files for detailed steps on how to activate the Material Ledger and the implications of doing so.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OMX1 (for Material Ledger settings) and CKMM (for actual costing) to manage and configure the Material Ledger.
  Impact of Activation: Activating the Material Ledger will affect how inventory and costs are managed in the system, so it is important to understand the implications before proceeding.
  Testing: It is advisable to test the activation in a development or quality assurance environment before applying changes in the production environment.
  
  If you are unsure about the activation process or its implications, it may be beneficial to consult with your SAP functional consultant or a technical expert who can provide guidance based on your specific system configuration and business requirements.