How To Fix MW660 - Material &1 is listed in all DCs of item &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 660

• Message text: Material &1 is listed in all DCs of item &2

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW660 - Material &1 is listed in all DCs of item &2 ?

  The SAP error message MW660 indicates that a material (denoted as &1) is listed in all distribution centers (DCs) for a specific item (denoted as &2). This error typically arises during inventory management or when trying to perform certain operations related to materials and distribution centers.
  Cause:
  The error occurs when the system detects that the material in question is assigned to all distribution centers for the specified item. This can happen due to various reasons, such as:
  
  Material Master Configuration: The material may have been set up in such a way that it is linked to all distribution centers.
  Stock Management Issues: There may be stock or inventory management settings that are causing the material to be treated as universally available across all DCs.
  Data Entry Errors: Incorrect data entry or configuration during the setup of the material or distribution centers.
  
  Solution:
  To resolve the MW660 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record for the affected material and review the settings related to distribution centers.
  Ensure that the material is not incorrectly assigned to all DCs.
  
  
  
  Review Distribution Center Settings:
  
  Check the configuration of the distribution centers to see if the material is indeed listed in all of them.
  If necessary, adjust the settings to remove the material from specific DCs.
  
  
  
  Inventory Management Transactions:
  
  If you are trying to perform a transaction (like stock transfer or goods movement), ensure that the transaction is valid for the material and the distribution centers involved.
  Verify that there are no outstanding stock issues or discrepancies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling this error message.
  You may also want to check SAP Notes for any known issues or patches related to this error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MM03 (Display Material), MM02 (Change Material), or MD04 (Stock/Requirements List) to investigate the material and its distribution center assignments.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  User Forums: Consider checking SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the MW660 error and implement a solution to resolve it.