rdp-api refinitiv-data-platform-libraries refinitiv-data-platform python .net websockets rdp streaming-prices error ipa c# api historical eikon-data-api time-series rics json refinitiv-dataplatform-libraries bonds trep news proxy search symbology codebook eikon authentication workspace java lipper metadata rrto pandas index r source-code snapshot-pricing volatility esg estimates deprecated error-400 token c data alerts migration level-2 derivatives price-history chain-ric eikon-for-office firewall refinitiv-realtime-optimised documentation logging funds numpy events python api error-403 time-zone eikon-com-api