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