dss datascope-select dss-rest-api rest-api rics tick-history-rest-api pricing api historical python extraction forex c# java .net authentication data chain-ric time-series corporate-actions error bonds isin search json dss-gui FTP symbology http dss-soap-api soap-api terms-and-conditions api-limits funds entity on-demand-extraction sftp time-out credit-ratings index embargo report-template token certificate futures derivatives quote equities connection fields migration status eikon postman permid-api template sdk excel exchanges market-depth elektron-sdk datastream-api rfa json-payload log-in error-429 expired-contract response error-400 permissioning volume bulk-download request delayed-feed performance lipper corporate-events dss rest api venue-by-day expiration date ssl time-zone asynchronous legacy etf qualifier rest_api condition-codes exchange-codes error-500 time-stamp proxy azure sedol price-history eikon-data-api eonia usage commodities support netes pricing-history python api error-404 issue licensing web static-data direct-feed filter example csv yield pe-code model-view-controller stream error-handling ric tls settlement mnemonics rdp-api credentials world-check sql exception jar vba request-token documentation repo connection-error treasury rest api url upgrading trade trth-rest-api maturity orhpaned-instrument calendar fix-protocol web-services spread visual-studio pending-job error-408 environment error-message polling metadata gui nuget multi-threading tick-data rdms delphi refinitiv-realtime reports api-token deserialize forwards trbc error-502 linux events synchronous configuration timeseries matlab page euribor node-js oauth splunk exchange-holidays hardware time starmine handshake