2493726 - Error "response code 0" in Designer when connecting to a HANA datasource

While adding a HANA data source in Designer, an error is shown:

HTTP connection error: response code 0 is caused by an unreachable server. For example, a program that handles HTTP connections as a proxy is not running, but the client is configured to use this proxy.

Design Studio 1.x

Lumira 2.x Designer

HANA

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