Error(s) in re-building vignettes:
--- re-building ‘tbm_supplement.Rnw’ using knitr

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 1.47925e-21); attempting approx solution

warning: solve(): system is singular (rcond: 3.08648e-22); attempting approx solution

warning: solve(): system is singular (rcond: 3.08648e-22); attempting approx solution

warning: solve(): system is singular (rcond: 3.08648e-22); attempting approx solution

warning: solve(): system is singular (rcond: 3.08648e-22); attempting approx solution

warning: solve(): system is singular (rcond: 3.08648e-22); attempting approx solution

warning: solve(): system is singular (rcond: 1.09606e-18); attempting approx solution

warning: solve(): system is singular (rcond: 1.09606e-18); attempting approx solution

warning: solve(): system is singular (rcond: 1.09606e-18); attempting approx solution

warning: solve(): system is singular (rcond: 1.09606e-18); attempting approx solution

warning: solve(): system is singular (rcond: 1.09606e-18); attempting approx solution
Error: processing vignette 'tbm_supplement.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'tbm_supplement.tex' failed.
LaTeX errors:
! LaTeX Error: File `accents.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.28 \usepackage
                {color}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘tbm_supplement.Rnw’

SUMMARY: processing the following file failed:
  ‘tbm_supplement.Rnw’

Error: Vignette re-building failed.
Execution halted