Error(s) in re-building vignettes:
  ...
--- re-building 'competingRisk.Rmd' using rmarkdown
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2166 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2511 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2564 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2572 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2577 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2578 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'competingRisk.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building 'competingRisk.Rmd'

--- re-building 'popTime.Rmd' using rmarkdown
See example usage at http://sahirbhatnagar.com/casebase/
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'popTime.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building 'popTime.Rmd'

--- re-building 'smoothHazard.Rmd' using rmarkdown
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'smoothHazard.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building 'smoothHazard.Rmd'

SUMMARY: processing the following files failed:
  'competingRisk.Rmd' 'popTime.Rmd' 'smoothHazard.Rmd'

Error: Vignette re-building failed.
Execution halted