Error(s) in re-building vignettes:
--- re-building 'introduction.Rmd' using rmarkdown
Quitting from lines 310-314 (introduction.Rmd) 
Error: processing vignette 'introduction.Rmd' failed with diagnostics:
No common type for `..1$dmr$version_nmbr` <double> and `..2$dmr$version_nmbr` <character>.
Backtrace:
     x
  1. +-tools:::buildVignettes(...)
  2. | +-base::tryCatch(...)
  3. | | \-base:::tryCatchList(expr, classes, parentenv, handlers)
  4. | |   \-base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
  5. | |     \-base:::doTryCatch(return(expr), name, parentenv, handler)
  6. | \-engine$weave(file, quiet = quiet, encoding = enc)
  7. |   \-knitr:::vweave_rmarkdown(...)
  8. |     \-rmarkdown::render(...)
  9. |       \-knitr::knit(...)
 10. |         \-knitr:::process_file(text, output)
 11. |           +-base::withCallingHandlers(...)
 12. |           +-knitr:::process_group(group)
 13. |           \-knitr:::process_group.block(group)
 14. |             \-knitr:::call_block(x)
 15. |               \-knitr:::block_exec(params)
 16. |                 +-knitr:::in_dir(...)
 17. |                 \-knitr:::evaluate(...)
 18. |                   \-evaluate::evaluate(...)
 19. |                     \-evaluate:::evaluate_call(...)
 20. |                       +-evaluate:::timing_fn(...)
 21. |                       +-base:::handle(...)
 22. |                       +-base::withCallingHandlers(...)
 23. |                       +-base::withVisible(eval(expr, envir, enclos))
 24. |                       \-base::eval(expr, envir, enclos)
 25. |                         \-base::eval(expr, envir, enclos)
 26. +-tidyr::unnest(df)
 27. | +-tidyr::unnest(...)
 28. | \-tidyr:::unnest.data.frame(...)
 29. |   \-tidyr::unchop(data, !!cols, keep_empty = keep_empty, ptype = ptype)
 30. |     \-vctrs::vec_rbind(!!!x, .ptype = ptype)
 31. +-vctrs:::vec_type2_dispatch(x = x, y = y, x_arg = x_arg, y_arg = y_arg)
 32. +-vctrs:::vec_ptype2.tbl_df(x = x, y = y, x_arg = x_arg, y_arg = y_arg)
 33. +-vctrs:::vec_ptype2.tbl_df.data.frame(...)
 34. +-vctrs:::vec_type2_dispatch(x = x, y = y, x_arg = x_arg, y_arg = y_arg)
 35. +-vctrs::vec_ptype2.double(x = x, y = y, x_arg = x_arg, y_arg = y_arg)
 36. \-vctrs:::vec_ptype2.double.default(...)
 37.   \-vctrs::vec_default_ptype2(x, y, x_arg = x_arg, y_arg = y_arg)
 38.     \-vctrs::stop_incompatible_type(x, y, x_arg = x_arg, y_arg = y_arg)
 39.       \-vctrs:::stop_incompatible(...)
 40.         \-vctrs:::stop_vctrs(...)
--- failed re-building 'introduction.Rmd'

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

Error: Vignette re-building failed.
Execution halted