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