How To Fix WV157 - You are not authorized to update purchase conditions

SAP Error Message - Details

• Message type: E = Error

• Message class: WV - Messages about Sales Price Calculation

• Message number: 157

• Message text: You are not authorized to update purchase conditions

What causes this issue?

The user has no authorization to create master conditions on the
purchasing side for the purchasing organization.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WV157 - You are not authorized to update purchase conditions ?

  The SAP error message WV157, which states "You are not authorized to update purchase conditions," typically occurs when a user attempts to modify purchase conditions (such as pricing or terms) in the system but lacks the necessary authorization to perform that action. This is a common issue in SAP systems where user roles and authorizations are strictly managed to ensure data integrity and security.
  Cause:
  
  Authorization Issues: The user does not have the required authorization object to update purchase conditions. This could be due to missing roles or permissions assigned to the user profile.
  Role Configuration: The roles assigned to the user may not include the necessary permissions for the transaction or action they are trying to perform.
  Transaction Code Restrictions: Certain transaction codes may have restrictions based on user roles, preventing unauthorized changes.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to check the authorization check that failed. This will provide insight into which specific authorization object is missing.
  Review the user’s roles and authorizations in transaction code SU01 (User Maintenance) or PFCG (Role Maintenance).
  
  
  
  Modify User Roles:
  
  If you have the necessary administrative rights, you can modify the user’s roles to include the required authorizations for updating purchase conditions.
  If you do not have the rights, contact your SAP security administrator or the person responsible for user management in your organization to request the necessary changes.
  
  
  
  Review Authorization Objects:
  
  The relevant authorization objects for purchasing might include M_BEST_BSA (Purchasing Document: Authorization for Purchase Order) and M_BEST_EKG (Purchasing Document: Authorization for Conditions).
  Ensure that the user has the appropriate values set for these objects.
  
  
  
  Testing:
  
  After adjustments are made, have the user log out and back into the system, then attempt the action again to see if the issue is resolved.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation or your organization’s internal guidelines for managing user roles and authorizations.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to authorization errors in your version of SAP.
  Training: Consider training sessions for users on how to manage their authorizations and understand the implications of their roles within the SAP system.
  
  If the problem persists after checking and updating authorizations, further investigation may be required, potentially involving SAP support or a deeper analysis of the system configuration.