* using log directory ‘/Users/ripley/R/packages/tests-devel/FlywayNet.Rcheck’
* using R Under development (unstable) (2022-03-21 r81953)
* using platform: aarch64-apple-darwin21.4.0 (64-bit)
* using session charset: UTF-8
* using option ‘--no-stop-on-test-error’
* checking for file ‘FlywayNet/DESCRIPTION’ ... OK
* this is package ‘FlywayNet’ version ‘0.1.0’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘FlywayNet’ can be installed ... [15s/15s] OK
* checking installed package size ... OK
* checking package directory ... OK
* checking ‘build’ directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking pragmas in C/C++ headers and code ... OK
* checking compilation flags used ... OK
* checking compiled code ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... ERROR
Running examples in ‘FlywayNet-Ex.R’ failed
The error most likely occurred in:

> ### Name: estimate_migration_ABC
> ### Title: Estimates migration parameters using an ABC method.
> ### Aliases: estimate_migration_ABC
> 
> ### ** Examples
> 
> migr <- generate_toy_migration()
> # Argument nb_simul just provide to reduce running time
> estimated_migr <- estimate_migration_ABC( migr, nb_simul = 30 ) 
[1] "    ------ Lenormand et al. (2012)'s algorithm ------"
Error in array(x, c(length(x), 1L), if (!is.null(names(x))) list(names(x),  : 
  'data' must be of a vector type, was 'NULL'
Calls: estimate_migration_ABC ... as.matrix -> as.matrix -> as.matrix.default -> array
Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in ‘inst/doc’ ... OK
* checking re-building of vignette outputs ... ERROR
Error(s) in re-building vignettes:
--- re-building ‘introduction.Rmd’ using rmarkdown
Quitting from lines 69-75 (introduction.Rmd) 
Error: processing vignette 'introduction.Rmd' failed with diagnostics:
'data' must be of a vector type, was 'NULL'
--- failed re-building ‘introduction.Rmd’

SUMMARY: processing the following file failed:
  ‘introduction.Rmd’

Error: Vignette re-building failed.
Execution halted

* checking PDF version of manual ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 2 ERRORs
See
  ‘/Users/ripley/R/packages/tests-devel/FlywayNet.Rcheck/00check.log’
for details.

       32.09 real        27.22 user         3.92 sys