AppleHealthTimeSequenceas.POSIXlt.character(x，tz，.)中的错误:字符串不是标准的明确格式开发者社区

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new = health_df %>% 
  mutate(
    Type = str_remove(type, "HKQuantityTypeIdentifier"), 
    Value = as.numeric(as.character(value)),
    Date = as_datetime(creationDate)) %>%
  filter(Type == 'HeartRate') %>% 
  select(Date, Type, Value)

> head(new)
# A tibble: 6 x 3
  Date                Type      Value
  <dttm>              <chr>     <dbl>
1 2021-07-27 13:12:32 HeartRate    80
2 2021-07-27 13:12:38 HeartRate    79
3 2021-07-27 13:12:42 HeartRate    76
4 2021-07-27 13:12:47 HeartRate    73
5 2021-07-27 13:12:52 HeartRate    71

问 AppleHealthTimeSequenceas.POSIXlt.character(x，tz，.)中的错误:字符串不是标准的明确格式 EN