I’m trying to glue some strings together in an R data-frame. This code worked perfectly in the last R studio version I had; upon updating R studio I’m now getting an error when trying to run this code:

library(stringr)


timeline.data.example <- data.frame(
  event = c('event A', 'event B', 'event C'),
  start = c('2020-02-29', '2020-02-10', '2020-03-26'), 
  end = c('2020-02-29', '2020-02-10', '2020-03-29'),
  stringsAsFactors = FALSE
)

timeline.data.example$start <-as.Date(timeline.data.example$start)
timeline.data.example$end <-as.Date(timeline.data.example$end)

timeline.data.example$startFormatted <- format(timeline.data.example$start, format="%B %d, %Y")
timeline.data.example$endFormatted <- format(timeline.data.example$end, format="%B %d, %Y")


timeline.data.example$tooltip <- ifelse(timeline.data.example$start==timeline.data.example$end,str_glue("<b>",
                                                                                                  "{timeline.data.example$event}  ","</b>",'<br>',
                                                                                                  "Date: {timeline.data.example$startFormatted} ",
                                                                                                  
),str_glue("<b>",
           "{timeline.data.example$event}  ","</b>",'<br>',
           "Start Date: {timeline.data.example$startFormatted}",'<br>',
           "End Date: {timeline.data.example$endFormatted}",'<br>',
))

I get the error:

Error in eval(call("force", as.symbol(paste0("..", x)))) : 
  argument "..6" is missing, with no default

What is causing this error?