Running examples in 'irtplay-Ex.R' failed
The error most likely occurred in:

> ### Name: llike_score
> ### Title: Loglikelihood of ability
> ### Aliases: llike_score
> 
> ### ** Examples
> 
> ## import the "-prm.txt" output file from flexMIRT
> flex_sam <- system.file("extdata", "flexmirt_sample-prm.txt", package = "irtplay")
> 
> # read item parameters and transform them to item metadata
> x <- bring.flexmirt(file=flex_sam, "par")$Group1$full_df
> 
> # generate examinees' abilities from N(0, 1)
> set.seed(10)
> score <- rnorm(5, mean=0, sd=1)
> 
> # simulate the response data
> data <- simdat(x=x, theta=score, D=1)
> 
> # set the ability values where the loglikelihood values are computed
> theta <- seq(-3, 3, 0.5)
> 
> # compute the loglikelihood values (When MLE method is used)
> llike_score(x=x, data=data, theta=theta, D=1, method="MLE")
Error in `dplyr::bind_cols()`:
! number of characters is not computable in "bytes" encoding, element 1
Backtrace:
     ▆
  1. ├─irtplay::llike_score(...)
  2. │ ├─dplyr::bind_cols(llike_list) %>% data.frame()
  3. │ └─dplyr::bind_cols(llike_list)
  4. │   ├─dplyr:::fix_call(vec_cbind(!!!dots, .name_repair = .name_repair))
  5. │   │ └─base::withCallingHandlers(...)
  6. │   └─vctrs::vec_cbind(!!!dots, .name_repair = .name_repair)
  7. ├─base::data.frame(.)
  8. ├─vctrs:::describe_repair(`<chr>`, `<chr>`)
  9. │ └─rlang::names_inform_repair(orig_names, names)
 10. │   └─rlang::inform(message = message, class = "rlib_message_name_repair")
 11. │     ├─base::withRestarts(...)
 12. │     │ └─base (local) withOneRestart(expr, restarts[[1L]])
 13. │     │   └─base (local) doWithOneRestart(return(expr), restart)
 14. │     └─base::signalCondition(cnd)
 15. │       ├─base::conditionMessage(cond)
 16. │       └─rlang:::conditionMessage.rlang_message(cond)
 17. │         └─rlang::cnd_message(c)
 18. │           └─rlang:::cnd_message_format(cnd, ...)
 19. │             └─rlang (local) cli_format(glue_escape(lines))
 20. │               └─rlang:::.rlang_cli_format(x, cli::format_message)
 21. │                 └─cli::cli_format(x, .envir = emptyenv())
 22. │                   └─cli:::fmt(...)
 23. │                     └─cli:::cli__fmt(rec, collapse, strip_newline, app)
 24. │                       ├─base::do.call(app[[msg$type]], msg$args)
 25. │                       └─cli (local) `<fn>`(text = `<named list>`, id = "cli-24140-66", class = NULL)
 26. │                         └─cli:::clii_bullets(app, text, id, class)
 27. │                           └─base::lapply(...)
 28. │                             └─cli (local) FUN(X[[i]], ...)
 29. │                               └─app$text(text[[i]])
 30. │                                 └─cli:::clii_text(app, text)
 31. │                                   └─app$xtext(text)
 32. │                                     └─cli:::clii__xtext(...)
 33. │                                       └─cli::ansi_strwrap(text, exdent = exdent, width = app$get_width(extra = padding))
 34. │                                         └─base::lapply(pars, ansi_trimws)
 35. │                                           └─cli (local) FUN(X[[i]], ...)
 36. └─base::.handleSimpleError(...)
 37.   └─dplyr (local) h(simpleError(msg, call))
 38.     └─rlang::cnd_signal(cnd)
Execution halted