Error(s) in re-building vignettes:
  ...
--- re-building ‘v01-introduction-and-usage.Rmd’ using rmarkdown
Quitting from lines 37-76 (v01-introduction-and-usage.Rmd) 
Error: processing vignette ‘v01-introduction-and-usage.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=Inf: DLL requires the use of native symbols
--- failed re-building ‘v01-introduction-and-usage.Rmd’

--- re-building ‘v02-example-theophylline.Rmd’ using rmarkdown
Quitting from lines 72-74 (v02-example-theophylline.Rmd) 
Error: processing vignette ‘v02-example-theophylline.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=Inf: DLL requires the use of native symbols
--- failed re-building ‘v02-example-theophylline.Rmd’

--- re-building ‘v03-selection-of-calculation-intervals.Rmd’ using rmarkdown
--- finished re-building ‘v03-selection-of-calculation-intervals.Rmd’

--- re-building ‘v04-sparse.Rmd’ using rmarkdown
Quitting from lines 56-68 (v04-sparse.Rmd) 
Error: processing vignette ‘v04-sparse.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=24: DLL requires the use of native symbols
--- failed re-building ‘v04-sparse.Rmd’

--- re-building ‘v05-auc-calculation-with-PKNCA.Rmd’ using rmarkdown
Loading required namespace: ggplot2
Quitting from lines 56-66 (v05-auc-calculation-with-PKNCA.Rmd) 
Error: processing vignette ‘v05-auc-calculation-with-PKNCA.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=24: DLL requires the use of native symbols
--- failed re-building ‘v05-auc-calculation-with-PKNCA.Rmd’

--- re-building ‘v06-half-life-calculation.Rmd’ using rmarkdown
Quitting from lines 62-79 (v06-half-life-calculation.Rmd) 
Error: processing vignette ‘v06-half-life-calculation.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=Inf: DLL requires the use of native symbols
--- failed re-building ‘v06-half-life-calculation.Rmd’

--- re-building ‘v07-post-processing.Rmd’ using rmarkdown
Quitting from lines 28-50 (v07-post-processing.Rmd) 
Error: processing vignette ‘v07-post-processing.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=Inf: DLL requires the use of native symbols
--- failed re-building ‘v07-post-processing.Rmd’

--- re-building ‘v07-unit-conversion.Rmd’ using rmarkdown
Quitting from lines 90-105 (v07-unit-conversion.Rmd) 
Error: processing vignette ‘v07-unit-conversion.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=Inf: DLL requires the use of native symbols
--- failed re-building ‘v07-unit-conversion.Rmd’

--- re-building ‘v08-data-imputation.Rmd’ using rmarkdown
Quitting from lines 88-98 (v08-data-imputation.Rmd) 
Error: processing vignette ‘v08-data-imputation.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=Inf: DLL requires the use of native symbols
--- failed re-building ‘v08-data-imputation.Rmd’

--- re-building ‘v20-superposition.Rmd’ using rmarkdown
--- finished re-building ‘v20-superposition.Rmd’

--- re-building ‘v21-methods-for-dose-aware-interpolation-and-extrapolation.Rmd’ using rmarkdown
--- finished re-building ‘v21-methods-for-dose-aware-interpolation-and-extrapolation.Rmd’

--- re-building ‘v22-time-to-steady-state.Rmd’ using rmarkdown
--- finished re-building ‘v22-time-to-steady-state.Rmd’

--- re-building ‘v30-training-session.Rmd’ using rmarkdown
Quitting from lines 344-358 (v30-training-session.Rmd) 
Error: processing vignette ‘v30-training-session.Rmd’ failed with diagnostics:
ℹ In index: 1.
Caused by error in `vectbl_assign()`:
! Please report a bug.
: Error with interval start=0, end=24: DLL requires the use of native symbols
--- failed re-building ‘v30-training-session.Rmd’

--- re-building ‘v40-options-for-controlling-PKNCA.Rmd’ using rmarkdown
--- finished re-building ‘v40-options-for-controlling-PKNCA.Rmd’

--- re-building ‘v60-PKNCA-validation.Rmd’ using rmarkdown
--- finished re-building ‘v60-PKNCA-validation.Rmd’

--- re-building ‘v80-writing-parameter-functions.Rmd’ using rmarkdown
--- finished re-building ‘v80-writing-parameter-functions.Rmd’

SUMMARY: processing the following files failed:
  ‘v01-introduction-and-usage.Rmd’ ‘v02-example-theophylline.Rmd’
  ‘v04-sparse.Rmd’ ‘v05-auc-calculation-with-PKNCA.Rmd’
  ‘v06-half-life-calculation.Rmd’ ‘v07-post-processing.Rmd’
  ‘v07-unit-conversion.Rmd’ ‘v08-data-imputation.Rmd’
  ‘v30-training-session.Rmd’

Error: Vignette re-building failed.
Execution halted