3380797 - OData metadata request returns error: Attribute xxxxx redefined

Symptom

OData metadata request has status code 200 OK but it returns the following error messages:

This page contains the following errors:

error on line 1 at column 1190: Attribute sap:updatable redefined

Below is a rendering of the page up to the first error.

Due to this error, it may case the relevant Fiori APPs not working. For example, KPI tile cannot be loaded with error 'Failed to initialize' and there are browser Console log like below:
--------------------------------------------------------------------------

abap.js:63 2023-06-27 16:32:20.671000 ssuite.smartbusiness.runtime.s1.Component/checkForODataAndAnnoLoaded - oData metadata load failed

abap.js:63 2023-06-27 16:32:20.690800 [ODataMetadata] initial loading of metadata failed -

abap.js:63 2023-06-27 16:32:20.693300 Error: This page contains the following errors:error on line 1 at column 1191: Attribute sap:updatable redefined
--------------------------------------------------------------------------

Environment

SAP S/4HANA

Product

SAP S/4HANA all versions

Keywords

annotation, duplicate, error on line at column: Attribute sap : updatable redefined, sap:updatable, gw_client, $metadata, OData service , KBA , OPU-GW-COR , Framework , Problem

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