MEDCM016 - You have no authorization for requester block

SAP Error Message - Details

• Message type: E = Error

• Message class: MEDCM - DCM Message Class "Version in Purchasing"

• Message number: 016

• Message text: You have no authorization for requester block

What causes this issue?

You are not authorized to set or cancel a requester-imposed block. In
this connection, the system checks your authorization for the "Maintain
Purchase Requisition" transaction ('ME52N').

System Response

The system will cancel the change you made to the blocking reason.

How to fix this error?

Check your authorization.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MEDCM016 - You have no authorization for requester block ?

  The SAP error message MEDCM016 ("You have no authorization for requester block") typically occurs when a user attempts to perform an action related to a requester block in the SAP system but lacks the necessary authorizations to do so. This error is often encountered in the context of SAP's Materials Management (MM) or related modules where user roles and permissions are critical for accessing certain functionalities.
  Cause:
  The primary cause of this error is a lack of appropriate authorization in the user's role profile. This can happen due to:
  
  Missing Authorization Object: The user does not have the required authorization object assigned to their user profile.
  Role Configuration: The roles assigned to the user may not include the necessary permissions for the specific action they are trying to perform.
  User Group Restrictions: The user may belong to a group that has restricted access to certain functionalities.
  
  Solution:
  To resolve the MEDCM016 error, you can follow these steps:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error. This will show you the last authorization check and can help identify which specific authorization is missing.
  Alternatively, you can use transaction code SU01 to view the user's profile and roles.
  
  
  
  Review Role Assignments:
  
  Check the roles assigned to the user in transaction PFCG (Profile Generator).
  Ensure that the roles include the necessary authorization objects related to requester blocks.
  
  
  
  Modify Roles:
  
  If you have the necessary permissions, you can modify the roles to include the required authorizations. This may involve adding specific authorization objects that allow access to requester blocks.
  If you do not have the necessary permissions, contact your SAP security administrator or the person responsible for user roles in your organization.
  
  
  
  Testing:
  
  After making changes to the roles or authorizations, have the user log out and log back in to see if the issue is resolved.
  Test the functionality again to ensure that the user can now perform the required action without encountering the error.
  
  
  
  Related Information:
  
  Authorization Objects: Common authorization objects related to materials management include M_MATE_MAR (Material Master), M_BEST_BSA (Purchasing Document), and others depending on the specific action being performed.
  SAP Notes: Check SAP Notes for any specific guidance or updates related to this error message. Sometimes, SAP provides patches or additional information that can help resolve authorization issues.
  Documentation: Review SAP documentation or training materials related to user roles and authorizations to better understand how to manage and assign permissions effectively.
  
  If the issue persists after following these steps, it may be necessary to engage with SAP support or your internal IT team for further investigation.