How To Fix M8649 - You have no authorization for the selected blocking reason

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 649

• Message text: You have no authorization for the selected blocking reason

What causes this issue?

You selected <LS>Delete blocking reason</>, but the cursor is
positioned on a blocking reason for which you have no authorization. You
cannot, therefore, delete this blocking reason.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8649 - You have no authorization for the selected blocking reason ?

  The SAP error message M8649, which states "You have no authorization for the selected blocking reason," typically occurs when a user attempts to perform an action related to inventory management or material movements that involves a blocking reason for which they do not have the necessary authorizations.
  Cause:
  
  Authorization Issues: The user does not have the required authorization to use the specific blocking reason in the transaction they are trying to execute.
  Configuration Settings: The blocking reasons may be configured in such a way that certain users or roles are restricted from using them.
  Role Assignment: The user’s role may not include the necessary permissions to access or utilize the blocking reason in question.
  
  Solution:
  
  
  Check User Authorizations:
  
  Verify the user’s roles and authorizations in the SAP system. This can be done by using transaction codes like SU53 (to check authorization failures) or PFCG (to manage roles).
  Ensure that the user has the necessary authorizations for the specific blocking reason.
  
  
  
  Modify Role Assignments:
  
  If the user lacks the required authorizations, a system administrator or security officer should modify the user’s role to include the necessary permissions.
  This may involve adding specific authorization objects related to inventory management and blocking reasons.
  
  
  
  Review Configuration:
  
  Check the configuration of blocking reasons in the system. This can be done in the customizing settings (transaction SPRO).
  Ensure that the blocking reasons are correctly set up and that there are no restrictions that would prevent the user from accessing them.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to authorization management and inventory blocking reasons for additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking authorizations and configurations, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Authorization Objects: Common authorization objects related to inventory management include M_MATE_MAR (Material Master: General Data) and M_MATE_WRK (Material Master: Plant Data).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MB1A (Goods Withdrawal) where blocking reasons may be applicable.
  User Roles: Ensure that user roles are regularly reviewed and updated to reflect changes in job responsibilities and system requirements.
  
  By following these steps, you should be able to resolve the M8649 error and ensure that users have the appropriate access to perform their tasks in SAP.