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