Error(s) in re-building vignettes:
--- re-building 'Fetching-historical-future-rates.Rmd' using rmarkdown

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union


Attaching package: 'bizdays'

The following object is masked from 'package:stats':

    offset


Attaching package: 'fixedincome'

The following objects are masked from 'package:dplyr':

    first, last

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Quitting from lines 55-78 (Fetching-historical-future-rates.Rmd) 
Error: processing vignette 'Fetching-historical-future-rates.Rmd' failed with diagnostics:
Problem while computing `..1 = commodity == "DI1"`.
Caused by error:
! object 'commodity' not found
--- failed re-building 'Fetching-historical-future-rates.Rmd'

--- re-building 'Fetching-historical-yield-curve.Rmd' using rmarkdown
Quitting from lines 33-61 (Fetching-historical-yield-curve.Rmd) 
Error: processing vignette 'Fetching-historical-yield-curve.Rmd' failed with diagnostics:
object 'forward_date' not found
--- failed re-building 'Fetching-historical-yield-curve.Rmd'

SUMMARY: processing the following files failed:
  'Fetching-historical-future-rates.Rmd'
  'Fetching-historical-yield-curve.Rmd'

Error: Vignette re-building failed.
Execution halted