How To Fix MW490 - & During execution of allocation strategy '&' & occurred.

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 490

• Message text: & During execution of allocation strategy '&' & occurred.

What causes this issue?

Errors or warnings occurred when determining the quota or quantity
using allocation strategy &V2&. These are written to a log, which you
can display by choosing Edit -> Log -> Allocation strategy.

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?

Display the log.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW490 - & During execution of allocation strategy '&' & occurred. ?

  The SAP error message MW490 typically occurs during the execution of an allocation strategy in the context of inventory management or materials management. This error indicates that there is an issue with the allocation strategy being executed, which can be due to various reasons.
  Cause of MW490 Error
  
  Invalid Allocation Strategy: The allocation strategy specified may not be valid or may not exist in the system.
  Configuration Issues: There may be configuration issues in the allocation strategy settings, such as missing parameters or incorrect settings.
  Master Data Issues: Problems with master data, such as material master records or storage location data, can lead to this error.
  Stock Availability: Insufficient stock or incorrect stock levels can also trigger this error during allocation.
  System Bugs: Occasionally, bugs in the SAP system or specific patches may lead to unexpected behavior.
  
  Solution to MW490 Error
  
  Check Allocation Strategy: Verify that the allocation strategy being used is correctly defined in the system. Ensure that it exists and is active.
  Review Configuration: Go through the configuration settings for the allocation strategy. Make sure all necessary parameters are set correctly.
  Validate Master Data: Check the relevant master data for the materials involved. Ensure that the material master records, storage locations, and other related data are accurate and complete.
  Stock Levels: Confirm that there is sufficient stock available for allocation. If stock is insufficient, consider adjusting stock levels or reviewing the stock availability.
  Debugging: If the issue persists, consider using transaction codes like SE80 or SE37 to debug the allocation strategy and identify the root cause.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for further assistance.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MM03: Display Material
  OMI4: Maintain Allocation Strategy
  MB52: List of Warehouse Stocks on Hand
  
  
  Documentation: Review SAP documentation related to inventory management and allocation strategies for more detailed guidance.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the MW490 error effectively.