How To Fix ACM_SYNTAX021 - DCL source "&1" of type "AGGREGATE" is already delivered.

ACM_SYNTAX021 - Overview

• Message type: E = Error

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

• Message number: 021

• Message text: DCL source "&1" of type "AGGREGATE" is already delivered.

What causes this issue?

The current aggregate DCL Source was already delivered and might be used
by customers.

System Response

This is an error. It is not possible to delete this DCL Source of type:
aggregate.
Deleting aspects on delivered aggregates might have unpredictable
impacts at customer side.

How to fix this error?

If one or more aspects of this aggregate are already used in roles at
customer side, a deletion of them would lead to unpredictable errors
during the authorization checks, because the roles using these aspects
rely on them and their provides values.
Therefore a deletion of already delivered aspects cannot be allowed!

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 ACM_SYNTAX021 - DCL source "&1" of type "AGGREGATE" is already delivered. ?

  The SAP error message ACM_SYNTAX021 indicates that there is an issue with a Data Control Language (DCL) source of type "AGGREGATE" that has already been delivered. This typically occurs in the context of SAP Analytics Cloud (SAC) or SAP BW (Business Warehouse) when you are trying to deliver or activate a DCL object that has already been delivered or activated in the system.
  
  Cause:
  
  Duplicate Delivery: The DCL source you are trying to deliver has already been delivered to the system. This can happen if the same DCL object is being delivered multiple times, either by mistake or due to a misconfiguration in the delivery process.
  Versioning Issues: If there are multiple versions of the same DCL object, the system may be trying to deliver a version that is already active.
  Transport Request Issues: If the DCL object is part of a transport request that has already been imported into the target system, attempting