Hello SAP Community,
I am trying to call Ariba API from BAS. But there is an issue while I am trying to preview it.
info fiori-tools-proxy Using UI5 version 1.117.0 based on manifest.json
info fiori-tools-proxy Starting fiori-tools-proxy using following configuration:
info fiori-tools-proxy proxy: 'http://127.0.0.1:8887'
info fiori-tools-proxy ignoreCertError: 'true'
info fiori-tools-proxy backend: [{"path":"/AribaAPI","url":"https://openapi.ariba.com/api/purchase-orders/v1/prod/","destination":"AribaAPI"}]
info fiori-tools-proxy ui5: [{"path":"/resources","url":"https://ui5.sap.com","version":"1.117.0"},{"path":"/test-resources","url":"https://ui5.sap.com","version":"1.117.0"}]
info fiori-tools-proxy debug: 'false'
error fiori-tools-proxy Failed to register backend for /AribaAPI. Check configuration in yaml file.
error fiori-tools-proxy Error
⚠️ Process Failed With Error
Error Message:
Failed to register backend for /AribaAPI. Check configuration in yaml file.
Error
Backend registration is failing always.
Following is the destination config.

Please help resolving this issue.