Plot and ggplot

Hi. Thanks for the reccomendation . This is the tibble:

data = tibble::tribble(
  ~currency,                 ~time, ~difprev, ~difcst, ~n, ~init,
  "AUD", "2021/02/01 00:00:00",      0.6,       0, 1L,     0,
  "AUD", "2021/02/01 00:30:00",    0.442,       0, 2L,     0,
  "AUD", "2021/02/01 05:30:00",   -0.551,       0, 1L,     0,
  "AUD", "2021/02/01 06:30:00",     0.03,       0, 1L,     0,
  "AUD", "2021/02/02 01:30:00",        0,       0, 1L,     0,
  "AUD", "2021/02/02 03:30:00",        0,       0, 2L,     0,
  "AUD", "2021/02/02 21:30:00",   -0.042,       0, 1L,     0,
  "AUD", "2021/02/02 22:00:00",    0.025,       0, 1L,     0,
  "AUD", "2021/02/03 00:30:00",   -3.893,       0, 3L,     0,
  "AUD", "2021/02/03 01:30:00",        0,       0, 1L,     0,
  "AUD", "2021/02/04 00:30:00",    3.599,       0, 4L,     0,
  "AUD", "2021/02/04 21:30:00",   -0.026,       0, 1L,     0,
  "AUD", "2021/02/04 22:30:00",        0,       0, 1L,     0,
  "AUD", "2021/02/05 00:30:00",    0.639,  -0.583, 3L,     0,
  "AUD", "2021/02/05 20:30:00",    2.875,       0, 1L,     0,
  "CAD", "2021/02/01 06:30:00",    0.042,       0, 1L,     0,
  "CAD", "2021/02/01 14:30:00",     0.06,       0, 1L,     0,
  "CAD", "2021/02/05 13:30:00", -127.898,   0.053, 8L,     0,
  "CAD", "2021/02/05 15:00:00",    -0.07,       0, 2L,     0,
  "CAD", "2021/02/05 20:30:00",   -0.167,       0, 1L,     0
)
head(data)
plot(anytime::utctime(data$time, tz="UTC"), data$difprev, type = "h")

But in Shiny the result didn't show me anything: