3589008 - Error 503: Service Unavailable Cannot Open Tunnel with TunnelId in SAP S/4HANA Cloud Public Edition

Symptom

Error "503: Service Unavailable Cannot open tunnel with tunnelId: account:///%3CHCP_ACCOUNT_NAME%3E" occurs when saving a communication arrangement in the SAP S/4HANA Cloud Public Edition.

Disclaimer: "Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

Environment

SAP Cloud ALM
SAP S/4HANA Cloud Public Edition

Product

SAP Cloud ALM 1.0

Keywords

SAP S/4HANA Cloud Public Edition, CALM, Dev system, arrangement, error 503, Service Unavailable, Cannot open tunnel, TunnelId , KBA , SV-CLM-INF-CON , Connectivity of managed services/systems to SAP Cloud ALM , Problem

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