3090560 - Getting error of "Error in the http client" when check configuration for "Transport Management Service" within Integration Suite tenant settings

• Integration Suite cannot connect to Transport Management Service.
• When click on "Check Configuration" under the Transport tab for "Transport Management Service" transport mode, it shows error "Error in the http client".
• When checking browser console log, you are able to see 500 Internal Server Error for similar request : 
  GET https://<Integration Suite host>..../itspaces/.../.../TransportSettings?action=Validate&selectedMode=SLS_D2CTS_CLOUD
• You have verified that all of the parameters and destination have been setup correctly. 

• Cloud Transport Management Service 
• Cloud Integration Suite

Error in the http client, integration suite transport, transport management service, tms, cloud tms, transport mode, integration content package , KBA , BC-CP-LCM-CAS , SAP Content Agent service , Problem