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

> ### Name: a_freq_list
> ### Title: Convert data frame of allele frequencies to nested lists
> ### Aliases: a_freq_list
> ### Keywords: internal
> 
> ### ** Examples
> 
> 
>  # Generate a list of individual genotypes by allele from
>  # the alewife data's reference allele count tables
>  example(reference_allele_counts)

rfrn__> ## count alleles in alewife reference populations
rfrn__> example(tcf2long)  # gets variable ale_long

tcf2ln> ## Convert the alewife dataset for further processing
tcf2ln> # the data frame passed into this function must have had
tcf2ln> # character collections and repunits converted to factors
tcf2ln> reference <- alewife

tcf2ln> reference$repunit <- factor(reference$repunit, levels = unique(reference$repunit))

tcf2ln> reference$collection <- factor(reference$collection, levels = unique(reference$collection))

tcf2ln> ale_long <- tcf2long(reference, 17)
Error in namespaceExport(ns, exports) : 
  undefined exports: %s!=%, %s!==%, %s+%, %s<%, %s<=%, %s==%, %s===%, %s>%, %s>=%, %stri!=%, %stri!==%, %stri+%, %stri<%, %stri<=%, %stri==%, %stri===%, %stri>%, %stri>=%, stri_datetime_add<-, stri_sub<-, stri_subset<-, stri_subset_charclass<-, stri_subset_coll<-, stri_subset_fixed<-, stri_subset_regex<-, stri_c, stri_c_list, stri_cmp, stri_cmp_eq, stri_cmp_equiv, stri_cmp_ge, stri_cmp_gt, stri_cmp_le, stri_cmp_lt, stri_cmp_neq, stri_cmp_nequiv, stri_compare, stri_conv, stri_count, stri_count_boundaries, stri_count_charclass, stri_count_coll, stri_count_fixed, stri_count_regex, stri_count_words, stri_datetime_add, stri_datetime_create, stri_datetime_fields, stri_datetime_format, stri_datetime_fstr, stri_datetime_now, stri_datetime_parse, stri_datetime_symbols, stri_detect, stri_detect_charclass, stri_detect_coll, stri_detect_fixed, stri_detect_regex, stri_dup, stri_duplicated, stri_duplicated_any, stri_enc_detect, stri_enc_detect2, stri_enc_fromutf32, stri_enc_get, stri_enc_inf
Calls: example ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
Execution halted