3253856 - Unexpected Token Service response code error in Check Connection in Ask HR

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You are implementing Employee Central Service Center ECSC (Ask HR), and are receiving the following error in the destination configuration in BTP:

Failure reason: "Unexpected Token Service response code. No response body was returned by Token Service. Check the configuration or contact Token Service owner." Received status code: "401"

SAP SuccessFactors Employee Central Services Center
SAP SuccessFactors Ask HR

Failure reason: "Unexpected Token Service response code. No response body was returned by Token Service. Check the configuration or contact Token Service owner." Received status code: "401", 401, ECSC, Ask HR, AskHR, No response body was returned by Token Service , KBA , LOD-SF-INT-AHR , Ask HR - Employee Central Service Center (ECSC) , LOD-SF-INT , Integrations , Problem