library(RBloomberg) conn <- blpConnect(throw.ticker.errors = FALSE) bdp(conn, "THIS IS NOT A VALID TICKER", "NAME") securities <- c("AMZN US Equity", "OCN US Equity", "123456 XX Equity") fields <- c("NAME", "PX_LAST", "TIME", "SETTLE_DT") bdp(conn, securities, fields) blpDisconnect(conn) conn <- blpConnect(throw.ticker.errors = TRUE) try(bdp(conn, "THIS IS NOT A VALID TICKER", "NAME")) blpDisconnect(conn)