Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Rob Hyndman <Rob.Hyndman@monash.edu>’
  
  Found the following (possibly) invalid URLs:
    URL: https://www.foastat.org/
      From: inst/doc/JSS2008.pdf
      Status: Error
      Message: SSL peer certificate or SSH remote key was not OK [www.foastat.org]:
        SSL certificate verification failed: certificate has expired. (CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none)

Changes to worse in reverse depends:

Package: bridgr
Check: examples
New result: ERROR
  Running examples in ‘bridgr-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: bridge
  > ### Title: Estimate a Bridge Model
  > ### Aliases: bridge
  > 
  > ### ** Examples
  > 
  > library(bridgr)
  > 
  > # Example usage
  > target_series <- suppressMessages(tsbox::ts_tbl(data.frame(
  +   time = seq(as.Date("2020-01-01"), as.Date("2022-12-01"), by = "quarter"),
  +   value = rnorm(12)
  + )))
  > 
  > indic_series <- suppressMessages(tsbox::ts_tbl(data.frame(
  +   time = seq(as.Date("2020-01-01"), as.Date("2023-01-01"), by = "month"),
  +   value = rnorm(37)
  + )))
  > 
  > bridge_model <- suppressMessages(bridge(
  +   target = target_series,
  +   indic = indic_series,
  +   indic_predict = "mean",
  +   indic_aggregators = "mean",
  +   indic_lags = 2,
  +   target_lags = 1,
  +   h = 1
  + ))
  Failed with error:  ‘there is no package called ‘xts’’
  Error in ts_xts_dts(ts_dts(x)) : requireNamespace("xts") is not TRUE
  Calls: suppressMessages ... withCallingHandlers -> bridge -> <Anonymous> -> ts_xts_dts -> stopifnot
  Execution halted

Package: bridgr
Check: re-building of vignette outputs
New result: ERROR
  Error(s) in re-building vignettes:
    ...
  --- re-building ‘bridgr.Rmd’ using rmarkdown
  Failed with error:  'there is no package called 'xts''
  
  Quitting from bridgr.Rmd:107-117 [estimating]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `ts_xts_dts()`:
  ! requireNamespace("xts") is not TRUE
  ---
  Backtrace:
       ▆
    1. ├─bridgr::bridge(...)
    2. │ └─... %>% suppressMessages()
    3. ├─base::suppressMessages(.)
    4. │ └─base::withCallingHandlers(...)
    5. ├─forecast::auto.arima(.)
    6. │ └─stats::as.ts(x)
    7. ├─base::suppressMessages(.)
    8. │ └─base::withCallingHandlers(...)
    9. └─tsbox::ts_xts(.)
   10.   └─tsbox:::ts_xts_dts(ts_dts(x))
   11.     └─base::stopifnot(requireNamespace("xts"))
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'bridgr.Rmd' failed with diagnostics:
  requireNamespace("xts") is not TRUE
  --- failed re-building ‘bridgr.Rmd’
  
  SUMMARY: processing the following file failed:
    ‘bridgr.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted