How To Fix ESH_ENG_CDSVAL_ES057 - 'hidden': no ES-Connector will be generated!

ESH_ENG_CDSVAL_ES057 - Overview

• Message type: E = Error

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

• Message number: 057

• Message text: 'hidden': no ES-Connector will be generated!

What causes this issue?

@EnterpriseSearch.hidden means that the data source must be hidden from
the generic search UI of Enterprise Search but still be processed by the
API of Enterprise Search.

System Response

No Enterprise Search connector is derived for this view, because
connectors are meant for search UI of Enterprise Search. Also, the view
is not added to the Enterprise Search runtime load, which itself has its
purpose in the search UI of Enterprise Search.

How to fix this error?

For searching this view, the Enterprise Search API (class
CL_ESH_IF_SEARCH_REQUEST) can be used (given the validation succeeded).
The search scope must be set via method ADD_SEARCH_SCOPE_CDS( ).

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 ESH_ENG_CDSVAL_ES057 - 'hidden': no ES-Connector will be generated! ?

  The SAP error message ESH_ENG_CDSVAL_ES057 indicates that there is an issue with the generation of an Enterprise Search (ES) connector in the context of Core Data Services (CDS) views. This error typically arises when the system is unable to generate a connector for a specific CDS view due to certain conditions not being met.
  
  Cause:
  
  Hidden Fields: The error message specifically mentions "hidden," which suggests that there are fields in the CDS view that are marked as hidden. Hidden fields cannot be used in the ES connector generation process.
  Incompatible Data Types: If the CDS view contains fields with data types that are not supported for ES connectors, this can also lead to the error.
  Missing Annotations: The required annotations for the CDS view might be missing. Annotations are essential for defining how the data should be treated in the context of Enterprise Search.
  Technical Issues: There could be underlying technical issues with the CDS