How To Fix MW028 - Purchasing group & not found

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 028

• Message text: Purchasing group & not found

What causes this issue?

The purchasing group entered does not exist.

How to fix this error?

Enter an existing purchasing group.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW028 - Purchasing group & not found ?

  The SAP error message MW028 ("Purchasing group & not found") typically occurs when the system cannot find the specified purchasing group in the relevant configuration or master data. This error can arise in various scenarios, such as when creating or modifying purchase orders, purchase requisitions, or vendor master records.
  Cause:
  
  Missing Purchasing Group: The purchasing group you are trying to use does not exist in the system.
  Incorrect Configuration: The purchasing group may not be properly configured in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the purchasing group.
  Data Entry Error: There may be a typographical error in the purchasing group code entered.
  
  Solution:
  
  
  Check Purchasing Group Configuration:
  
  Go to the transaction code OMEC (or SPRO -> Materials Management -> Purchasing -> Define Purchasing Groups) to verify if the purchasing group exists.
  If it does not exist, you can create a new purchasing group.
  
  
  
  Verify Data Entry:
  
  Double-check the purchasing group code entered in the transaction to ensure there are no typos or errors.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to access the purchasing group. This can be checked with the help of your SAP security team.
  
  
  
  Check for Deletion:
  
  If the purchasing group was recently deleted or made inactive, you may need to reactivate it or create a new one.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or guidelines within your organization regarding the use of purchasing groups.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OMEC: Define Purchasing Groups
  ME21N: Create Purchase Order
  ME51N: Create Purchase Requisition
  MK01: Create Vendor (if related to vendor master data)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to purchasing groups.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Help Portal for further assistance.
  
  
  By following these steps, you should be able to resolve the MW028 error and ensure that the purchasing group is correctly set up in your SAP system.