Error(s) in re-building vignettes:
--- re-building 'Introduction.Rmd' using rmarkdown_notangle
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdftex: critical issue: You are running MiKTeX on an unsupported version of Windows.
pdfcrop: critical issue: You are running MiKTeX on an unsupported version of Windows.

Quitting from Introduction.Rmd:435-436 [runCode-germination.indices]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `[.data.table`:
! attempt access index 17/17 in VECTOR_ELT
---
Backtrace:
    x
 1. \-germinationmetrics::germination.indices(...)
 2.   +-...[]
 3.   \-data.table:::`[.data.table`(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Introduction.Rmd' failed with diagnostics:
attempt access index 17/17 in VECTOR_ELT
--- failed re-building 'Introduction.Rmd'

SUMMARY: processing the following file failed:
  'Introduction.Rmd'

Error: Vignette re-building failed.
Execution halted