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