Error(s) in re-building vignettes:
--- re-building ‘factor.Rnw’ using Sweave
Loading required namespace: GPArotation
Number of categories should be increased  in order to count frequencies. 
Number of categories should be increased  in order to count frequencies. 
Number of categories should be increased  in order to count frequencies. 
Loading required namespace: lavaan
Warning in lav_object_post_check(object) :
  lavaan WARNING: some estimated ov variances are negative
For i = 9 j = 1  A cell entry of 0 was replaced with correct =  TRUE.  Check your data!
For i = 9 j = 1  A cell entry of 0 was replaced with correct =  TRUE.  Check your data!
Error: processing vignette 'factor.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'factor.tex' failed.
LaTeX errors:
! LaTeX Error: File `gensymb.sty' not found.

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

! Emergency stop.
<read *> 
         
l.24 \usepackage
                {longtable}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘factor.Rnw’

--- re-building ‘mediation.rnw’ using Sweave
The replication data matrices were simulated based upon the specified number of subjects and the observed correlation matrix.
The replication data matrices were simulated based upon the specified number of subjects and the observed correlation matrix.
Error: processing vignette 'mediation.rnw' failed with diagnostics:
Running 'texi2dvi' on 'mediation.tex' failed.
LaTeX errors:
! LaTeX Error: File `gensymb.sty' not found.

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

! Emergency stop.
<read *> 
         
l.24 \usepackage
                {longtable}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘mediation.rnw’

--- re-building ‘omega.Rnw’ using Sweave
Loading required namespace: GPArotation

Three factors are required for identification -- general factor loadings set to be equal. 
Proceed with caution. 
Think about redoing the analysis with alternative values of the 'option' setting.

Loading required namespace: lavaan
Error: processing vignette 'omega.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'omega.tex' failed.
LaTeX errors:
! LaTeX Error: File `gensymb.sty' not found.

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

! Emergency stop.
<read *> 
         
l.25 \usepackage
                {longtable}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘omega.Rnw’

--- re-building ‘overview.Rnw’ using Sweave
Loading required package: GPArotation

Attaching package: ‘psych’

The following objects are masked from ‘package:GPArotation’:

    equamax, varimin

Pearson correlations of the raw data were found
Warning in cor.smooth(model) :
  Matrix was not positive definite, smoothing was done
Pearson correlations of the raw data were found
Warning in cor.smooth(model) :
  Matrix was not positive definite, smoothing was done
Number of categories should be increased  in order to count frequencies. 
Number of categories should be increased  in order to count frequencies. 
Number of categories should be increased  in order to count frequencies. 
Loading required namespace: lavaan
Warning in lav_object_post_check(object) :
  lavaan WARNING: some estimated ov variances are negative
Warning in log(P) : NaNs produced
Warning in optimize(tetraF, interval = c(-1, 1), rc = rc, cc = cc, tab = tab) :
  NA/Inf replaced by maximum positive value
For i = 9 j = 1  A cell entry of 0 was replaced with correct =  TRUE.  Check your data!
Error: processing vignette 'overview.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'overview.tex' failed.
LaTeX errors:
! LaTeX Error: File `gensymb.sty' not found.

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

! Emergency stop.
<read *> 
         
l.24 \usepackage
                {longtable}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘overview.Rnw’

SUMMARY: processing the following files failed:
  ‘factor.Rnw’ ‘mediation.rnw’ ‘omega.Rnw’ ‘overview.Rnw’

Error: Vignette re-building failed.
Execution halted