How To Fix BNK_GENERAL030 - No authorization to create an HMAC key

SAP Error Message - Details

• Message type: E = Error

• Message class: BNK_GENERAL - Common messages for Bank communication

• Message number: 030

• Message text: No authorization to create an HMAC key

System Response

You cannot create an HMAC key

Procedure for System Administrators

Include an entry in the user's authorization profile for the
authorization object and parameters specified below:
Authorization object: F_HMAC
Parameters:
Activity: '01' (create or generate)

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 BNK_GENERAL030 - No authorization to create an HMAC key ?

  The SAP error message BNK_GENERAL030 indicates that the user does not have the necessary authorization to create an HMAC (Hash-based Message Authentication Code) key. This error typically arises in the context of SAP applications that require secure communication or data integrity checks, such as in banking or financial transactions.
  Cause:
  The primary cause of this error is a lack of appropriate authorizations assigned to the user role. The HMAC key is crucial for ensuring the integrity and authenticity of messages, and creating or managing these keys requires specific permissions.
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check User Authorizations:
  
  Verify the user’s role and authorization profile in the SAP system. You can do this by using transaction code SU01 (User Maintenance) to check the user’s roles.
  
  
  
  Assign Necessary Authorizations:
  
  If the user lacks the required authorizations, you will need to assign the appropriate roles or authorization objects. The specific authorization object related to HMAC key creation is typically S_BC_ORD (Authorization for Business Communication) or similar, depending on your SAP version and configuration.
  Consult with your SAP security team or administrator to ensure that the user has the necessary permissions.
  
  
  
  Review Authorization Profiles:
  
  If you are an administrator, you can review the authorization profiles assigned to the user and modify them as needed. Use transaction PFCG (Role Maintenance) to manage roles and authorizations.
  
  
  
  Testing:
  
  After making changes to the user’s authorizations, have the user log out and log back in to ensure that the new permissions take effect. Then, attempt to create the HMAC key again.
  
  
  
  Consult Documentation:
  
  If you are unsure about the specific authorizations required, refer to the SAP documentation or consult with SAP support for guidance on the necessary roles and authorizations for HMAC key management.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this error. You can search the SAP Support Portal for notes related to BNK_GENERAL030.
  Security Best Practices: Ensure that the principle of least privilege is followed when assigning authorizations. Only grant the necessary permissions required for the user to perform their job functions.
  Audit and Monitoring: Regularly audit user roles and authorizations to ensure compliance with security policies and to prevent unauthorized access.
  
  By following these steps, you should be able to resolve the BNK_GENERAL030 error and allow the user to create an HMAC key successfully.