How To Fix OM466 - Material ledger active in valuat. area &1 => neg. stocks not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 466

• Message text: Material ledger active in valuat. area &1 => neg. stocks not allowed

What causes this issue?

You attempted to allow negative stocks in valuation area &v1&.
The material ledger is active in this valuation area. Negative stocks
are not supported in the material ledger.

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?

Deselect the indicator. You cannot activate negative stocks as long as
the material ledger is in use.
You have the following alternatives:
Do not use negative stocks in this valuation area.
Do not use the material ledger in this valuation area if you require
negative stocks.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OM466 - Material ledger active in valuat. area &1 => neg. stocks not allowed ?

  The SAP error message OM466 indicates that the Material Ledger is active in the specified valuation area, and negative stocks are not allowed in that context. This error typically arises when you attempt to post a transaction that would result in negative stock levels, which is not permitted when the Material Ledger is active.
  Cause:
  
  Material Ledger Activation: The Material Ledger is a tool in SAP that allows for the management of inventory valuation and provides functionalities for actual costing. When it is activated for a valuation area, it enforces certain rules, including the prohibition of negative stock levels.
  Stock Levels: The transaction you are trying to execute may lead to a situation where the stock level of a material would go below zero. This can happen during goods issues, production orders, or other inventory movements.
  Configuration Settings: The configuration settings for the material or the valuation area may not allow for negative stock, which is a common setting when the Material Ledger is active.
  
  Solution:
  
  Check Stock Levels: Before executing the transaction, check the current stock levels of the material in the specified valuation area. Ensure that there is sufficient stock to cover the transaction.
  Adjust Inventory: If necessary, perform a stock adjustment to ensure that the stock levels are adequate before proceeding with the transaction.
  Review Material Master Settings: Check the material master record for the material in question. Ensure that the settings related to stock management and valuation are correctly configured.
  Configuration Review: If negative stocks are required for your business process, you may need to review the configuration settings in the Material Ledger and consider whether it is appropriate to deactivate the Material Ledger for that valuation area. However, this should be done with caution and in consultation with your SAP functional team.
  Consult Documentation: Refer to SAP documentation or consult with your SAP support team for specific guidance on handling this error in your system context.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MMBE (Stock Overview) to check stock levels or MM02 (Change Material) to review material master settings.
  Material Ledger Configuration: The configuration for the Material Ledger can be found in the SAP IMG under Controlling -> Product Cost Controlling -> Material Ledger.
  Negative Stock Settings: The settings for allowing or disallowing negative stock can be found in the material master under the Plant Data / Storage view.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP MM (Materials Management) and CO (Controlling) modules for further assistance.