How To Fix ACM_SYNTAX151 - Datasource &1 for generic aspect &2 has no suitable auditing declaration

ACM_SYNTAX151 - Overview

• Message type: E = Error

• Message class: ACM_SYNTAX - ACM: DCL Syntax Error Messages

• Message number: 151

• Message text: Datasource &1 for generic aspect &2 has no suitable auditing declaration

What causes this issue?

Generic aspect &V2& wants to use CDS entity &V1& as data source.
This entity does not have a suitable declaration how changes to the
entity can be audited. Auditing for data sources in generic aspects is
of crucial importance for the certifiability a solution making use of
generic aspects for access control.
Actually, a suitable auditing declaration has the following properties:
Annotation <EX>@AccessControl.auditing.type</> is set and has value
<EX>#CUSTOM</>.
Annotation <EX>@AccessControl.auditing.specification</> is set and
describes in non-empty free text how auditing for the data source is
realized.

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?

Before you can make use of a generic aspects in CDS access control, you
must ensure that the data source used in the generic aspect has an
auditing mechanism in place.
How you realize it is left to your discretion.
It might be generic table logging via DDIC property (if all your
underlying data sources are database tables) or use change documents or
database triggers or any mechanism which can be used by an auditor to
reconstruct which user had access to which rows of the protected entity
at a given time.
To make this clear: <ZH>Just setting this annotation in the data source
is not the solution to the problem</>. The annotation is the declaration
that you have done something, not the thing you had to do.

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 ACM_SYNTAX151 - Datasource &1 for generic aspect &2 has no suitable auditing declaration ?

  The SAP error message ACM_SYNTAX151 indicates that there is an issue with a specific datasource in the context of auditing. This error typically arises when the system cannot find a suitable auditing declaration for a generic aspect associated with the specified datasource. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Auditing Declaration: The primary cause of this error is that the datasource specified does not have an associated auditing declaration that matches the generic aspect.
  
  Configuration Issues: There may be configuration issues in the auditing settings or the datasource itself.
  Incorrect Aspect Definition: The generic aspect defined may not be correctly linked to the datasource, or it may not be defined at all.
  
  
  Solution:
  
  
  Check Auditing Declarations:
  
  Navigate to the auditing configuration in your SAP system.
  Verify that there is a valid auditing declaration for the specified datasource and generic aspect.
  If it is missing, create a new auditing declaration that corresponds to the