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