Error(s) in re-building vignettes:
  ...
--- re-building ‘openCR-vignette.Rmd’ using rmarkdown
Loading required package: secr
This is secr 3.2.0. For overview type ?secr
This is openCR 1.3.4. For overview type ?openCR and see openCR-vignette.pdf
Warning in secr.fit(captdata, detectfn = "HHN", mask = msk, trace = FALSE) :
  multi-catch likelihood used for single-catch traps
Warning in stdcapthist(capthist, type, movementmodel, details$nclone, details$squeeze,  :
  capthist coerced to 'multi' detector type
Warning in openCR.design(capthist, model, type, timecov = timecov, sessioncov = sessioncov,  :
  learned response models were re-defined in version 1.3 - check vignette
Warning in openCR.design(capthist, model, type, timecov = timecov, sessioncov = sessioncov,  :
  learned response models were re-defined in version 1.3 - check vignette
Warning in openCR.design(capthist, model, type, timecov = timecov, sessioncov = sessioncov,  :
  learned response models were re-defined in version 1.3 - check vignette
Warning in openCR.design(capthist, model, type, timecov = timecov, sessioncov = sessioncov,  :
  learned response models were re-defined in version 1.3 - check vignette
Warning in openCR.fit(ovenj, model = p ~ b, type = "JSSAfCL", start = fitb) :
  possible maximization error: nlm returned code 3. See ?nlm
Warning in openCR.fit(ovenj, model = p ~ b, type = "JSSAfCL", start = fitb) :
  variance calculation failed for some beta parameters; confounding likely
Warning in openCR.fit(ovenj, model = p ~ customb, type = "JSSAfCL", dframe = makedf.b(ovenj),  :
  possible maximization error: nlm returned code 3. See ?nlm
! Missing } inserted.
<inserted text> 
                }
l.2614 ...{j=d} [\mbox{Pr} (\omega_j=0 | \mathbf\]

Error: processing vignette 'openCR-vignette.Rmd' failed with diagnostics:
Failed to compile openCR-vignette.tex. See openCR-vignette.log for more info.
--- failed re-building ‘openCR-vignette.Rmd’

SUMMARY: processing the following file failed:
  ‘openCR-vignette.Rmd’

Error: Vignette re-building failed.
Execution halted