Error(s) in re-building vignettes:
--- re-building ‘adam.Rmd’ using rmarkdown

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
--- finished re-building ‘ces.Rmd’

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

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

--- re-building ‘oes.Rmd’ using rmarkdown

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
--- finished re-building ‘simulate.Rmd’

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

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

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

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

Error: Vignette re-building failed.
Execution halted