3537300 - OData V4 : If-Match header not supported for this request kind

Symptom

GET or GET $metadata OData request with "If-Match" header hitting error :

If-Match header not supported for this request kind

Complete error message can like below:

{"error":{"code":"/IWBEP/CM_V4S_RUN/108","message":"If-Match header not supported for this request kind","@SAP__common.ExceptionCategory":"Gateway_Framework_Error","innererror":{"ErrorDetails":{"@SAP__common.Application":.."@SAP__common.ErrorResolution":{"Analysis":"Use ADT feed reader \"SAP Gateway Error Log\" or run transaction /IWFND/ERROR_LOG on SAP Gateway hub system and search for entries with the timestamp above for more details","Note":"See SAP Note 1797736 for error analysis (https://service.sap.com/sap/support/notes/1797736)"}}}}}

Environment

SAP Gateway (OData V4)

Product

SAP Integration Suite all versions ; SAP S/4HANA all versions

Keywords

Inconsistent Behavior, Billing Document OData V4, Billing Integration, SAP_COM_0120, PATCH Operation, If-Match header not supported, Gateway_Framework_Error, IF-MATCH, If-Match header not supported for this request kind, /IWBEP/CM_V4S_RUN/108 , KBA , OPU-GW-V4 , Gateway Framework, OData v4 , Problem

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