How To Fix ESH_ENG_CDSVAL_ES015 - &1: 'usageMode #AUTO_FACET' cannot be used with data type &2

ESH_ENG_CDSVAL_ES015 - Overview

• Message type: E = Error

• Message class: ESH_ENG_CDSVAL_ES - ES-CDS/ABAP: Validation of domain @EnterpriseSearch

• Message number: 015

• Message text: &1: 'usageMode #AUTO_FACET' cannot be used with data type &2

What causes this issue?

Annotation @EnterpriseSearch.usageMode: #AUTO_FACET cannot be used with
elements of data type STRING.

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?

Remove the annotation.
Theoretically, the underlying data type could be changed so that facets
can be built for the element.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

ESH_ENG_CDSVAL_ES015 - Details

• The SAP error message ESH_ENG_CDSVAL_ES015 typically occurs in the context of SAP's Enterprise Search or the SAP HANA database when there is an issue with the configuration of a Core Data Services (CDS) view or a search model. The error message indicates that a specific usage mode (#AUTO_FACET) cannot be used with the specified data type.
  
  Cause:
  The error is caused by a mismatch between the usage mode specified in the CDS view or search model and the data type of the field being used. The #AUTO_FACET usage mode is intended for fields that can be used as facets in search results, but not all data types are compatible with this mode. For example, certain complex data types or unsupported types may trigger this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Type: Review the data type of the field that is causing the error. Ensure that it is