Error(s) in re-building vignettes:
--- re-building ‘adam.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable

Quitting from adam.Rmd:219-223 [ETSMultiFreqOccurrence]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `nloptr()`:
! x0 must be numeric
---
Backtrace:
    ▆
 1. └─smooth::adam(...)
 2.   └─smooth (local) preparator(...)
 3.     ├─base::suppressWarnings(forecast(oesModel, h = h))
 4.     │ └─base::withCallingHandlers(...)
 5.     ├─generics::forecast(oesModel, h = h)
 6.     └─smooth:::forecast.oes(oesModel, h = h)
 7.       └─smooth::oes(...)
 8.         └─nloptr::nloptr(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'adam.Rmd' failed with diagnostics:
x0 must be numeric

--- failed re-building ‘adam.Rmd’

--- re-building ‘ces.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
--- finished re-building ‘ces.Rmd’

--- re-building ‘es.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
--- finished re-building ‘es.Rmd’

--- re-building ‘gum.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
--- finished re-building ‘gum.Rmd’

--- re-building ‘oes.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable

Quitting from oes.Rmd:169-171 [iETSOExample2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `nloptr()`:
! x0 must be numeric
---
Backtrace:
    ▆
 1. └─smooth::adam(...)
 2.   └─smooth (local) preparator(...)
 3.     ├─base::suppressWarnings(forecast(oesModel, h = h))
 4.     │ └─base::withCallingHandlers(...)
 5.     ├─generics::forecast(oesModel, h = h)
 6.     └─smooth:::forecast.oes(oesModel, h = h)
 7.       └─smooth::oes(...)
 8.         └─nloptr::nloptr(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'oes.Rmd' failed with diagnostics:
x0 must be numeric

--- failed re-building ‘oes.Rmd’

--- re-building ‘simulate.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
--- finished re-building ‘simulate.Rmd’

--- re-building ‘sma.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
--- finished re-building ‘sma.Rmd’

--- re-building ‘smooth.Rmd’ using rmarkdown
--- finished re-building ‘smooth.Rmd’

--- re-building ‘ssarima.Rmd’ using rmarkdown
Using optipng is skipped as output is variable
Using optipng is skipped as output is variable
--- finished re-building ‘ssarima.Rmd’

SUMMARY: processing the following files failed:
  ‘adam.Rmd’ ‘oes.Rmd’

Error: Vignette re-building failed.
Execution halted