How To Fix MW759 - You do not have authorization to change supplier purchase orders

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 759

• Message text: You do not have authorization to change supplier purchase orders

What causes this issue?

Vendor purchase orders for distribution centers already exist for
allocation table &V1&. You want to change this allocation table, but
you do not have authorization to change the vendor purchase orders.

System Response

Allocation table items cannot be changed for which vendor purchase
orders for distribution centers from the allocation table exist as
follow-on documents.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 MW759 - You do not have authorization to change supplier purchase orders ?

  The SAP error message MW759, which states "You do not have authorization to change supplier purchase orders," typically indicates that the user attempting to make changes to a supplier purchase order does not have the necessary authorization rights assigned to their user profile.
  Cause:
  
  Authorization Issues: The user lacks the required authorization objects to modify supplier purchase orders. This could be due to missing roles or permissions in their user profile.
  Role Configuration: The roles assigned to the user may not include the necessary permissions for the transaction code (T-code) being used to change the purchase order.
  Organizational Level Restrictions: There may be restrictions based on organizational levels (e.g., company code, purchasing organization) that prevent the user from making changes.
  
  Solution:
  
  Check User Roles: Verify the roles assigned to the user in the SAP system. This can be done by navigating to the user management area (Transaction SU01) and checking the roles assigned to the user.
  Review Authorization Objects: Identify the specific authorization objects required for changing supplier purchase orders (e.g., EINKT for purchasing documents). Ensure that the user has the necessary authorizations for these objects.
  Consult with Security Team: If the user does not have the required authorizations, consult with your SAP security or basis team to request the necessary roles or adjustments to the user's profile.
  Testing: After adjustments are made, have the user log out and log back in to ensure that the changes take effect. Test the transaction again to confirm that the issue is resolved.
  
  Related Information:
  
  Transaction Codes: Common T-codes related to purchase orders include ME22N (Change Purchase Order), ME23N (Display Purchase Order), and ME21N (Create Purchase Order).
  Authorization Objects: Key authorization objects for purchasing include:
  
  EINKT: Purchasing Document
  EINKB: Purchasing Document: Change
  EINKA: Purchasing Document: Display
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or provide additional guidance on authorization problems.
  Documentation: Refer to SAP documentation or training materials for detailed information on user roles and authorizations in the purchasing module.
  
  By following these steps, you should be able to resolve the MW759 error and enable the user to change supplier purchase orders as needed.