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