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 python api metadata error-403 rrto pandas source-code lipper snapshot-pricing volatility esg estimates deprecated index r c data alerts migration level-2 derivatives error-400 chain-ric eikon-for-office token firewall refinitiv-realtime-optimised documentation logging funds numpy events time-zone price-history eikon-com-api