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