Error(s) in re-building vignettes:
--- re-building 'bvpSolve.Rnw' using Sweave
Loading required package: deSolve

Attaching package: 'bvpSolve'

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

    approx

Warning in bvpsolver(1, yini, x, func, yend, parms, order, ynames, xguess,  :
  expanding xguess; must be provided in as many mesh points as x
Warning in bvpsolver(1, yini, x, func, yend, parms, order, ynames, xguess,  :
  expanding xguess; must be provided in as many mesh points as x
Warning in bvpsolver(1, yini, x, func, yend, parms, order, ynames, xguess,  :
  expanding xguess; must be provided in as many mesh points as x
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"D:\compiler\texmf\miktex\bin\texify.exe" --quiet --pdf "bvpSolve.tex" --max-iterations=20 -I "D:/RCompile/recent/R-4.1.3/share/texmf/tex/latex" -I "D:/RCompile/recent/R-4.1.3/share/texmf/bibtex/bst"' had status 1
Error: processing vignette 'bvpSolve.Rnw' failed with diagnostics:
Failed to locate 'texi2pdf' output file 'bvpSolve.pdf' for vignette with name 'bvpSolve' and engine 'utils::Sweave'. The following files exist in working directory 'd:\RCompile\CRANpkg\local\4.1\bvpSolve.Rcheck\vign_test\bvpSolve\vignettes': 'Rplots.pdf' (487424 bytes), 'bvpSolve-elastica.pdf' (5616 bytes), 'bvpSolve-fluid.pdf' (5107 bytes), 'bvpSolve-linear.pdf' (7715 bytes), 'bvpSolve-linf.pdf' (17372 bytes), 'bvpSolve-mat.pdf' (22394 bytes), 'bvpSolve-mat2.pdf' (9763 bytes), 'bvpSolve-multipoint.pdf' (5967 bytes), 'bvpSolve-musn.pdf' (5918 bytes), 'bvpSolve-nerve.pdf' (7959 bytes), 'bvpSolve-pr7a.pdf' (7575 bytes), 'bvpSolve-pr7b.pdf' (10247 bytes), 'bvpSolve-swirl.pdf' (417387 bytes), 'bvpSolve-swirl2.pdf' (15986 bytes), 'bvpSolve-swirl3.pdf' (6801 bytes), 'bvpSolve-swirl4.pdf' (5870 bytes), 'bvpSolve.Rnw' (54292 bytes), 'bvpSolve.tex' (63096 bytes), 'bvpTests.Rnw' (47070 bytes), 'docs.bib' (4863 bytes)
--- failed re-building 'bvpSolve.Rnw'

--- re-building 'bvpTests.Rnw' using Sweave
Loading required package: deSolve

Attaching package: 'bvpSolve'

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

    approx

--- finished re-building 'bvpTests.Rnw'

SUMMARY: processing the following file failed:
  'bvpSolve.Rnw'

Error: Vignette re-building failed.
Execution halted