How To Fix AREN211 - &1: Projection must include the business key (see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: AREN - Messages - Archiving Engine

• Message number: 211

• Message text: &1: Projection must include the business key (see long text)

What causes this issue?

All fields for the business key must be in the projection.

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

The following fields do not meet this condition:
&V2&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AREN211 - &1: Projection must include the business key (see long text) ?

  The SAP error message AREN211 indicates that a projection in your data model does not include the required business key. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, especially when defining views or queries.
  
  Cause:
  The error occurs because the projection (which is a subset of fields selected from a data source) is missing the business key. The business key is a unique identifier for records in a dataset, and it is essential for ensuring that the data can be accurately identified and related to other datasets. Without the business key, the system cannot guarantee the integrity and uniqueness of the data being processed.
  
  Solution:
  To resolve the AREN211 error, you should take the following steps:
  
  
  Identify the Business Key: Determine what the business key is for the dataset you are working with. This is usually a field or a combination of fields