Add 'use warnings' (or its equivalents) to all modules, or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.

Error: TeX::Hyphen::Pattern::Af, TeX::Hyphen::Pattern::Af_ec, TeX::Hyphen::Pattern::Cy, TeX::Hyphen::Pattern::Cy_ec, TeX::Hyphen::Pattern::De_1901, TeX::Hyphen::Pattern::De_1901_ec, TeX::Hyphen::Pattern::De_1996, TeX::Hyphen::Pattern::De_1996_ec, TeX::Hyphen::Pattern::De_ch_1901, TeX::Hyphen::Pattern::De_ch_1901_ec, TeX::Hyphen::Pattern::En_gb, TeX::Hyphen::Pattern::En_us, TeX::Hyphen::Pattern::Es_ec, TeX::Hyphen::Pattern::Fr, TeX::Hyphen::Pattern::Ga, TeX::Hyphen::Pattern::Ga_ec, TeX::Hyphen::Pattern::Grc, TeX::Hyphen::Pattern::Hu, TeX::Hyphen::Pattern::Hu_ec, TeX::Hyphen::Pattern::Is, TeX::Hyphen::Pattern::Is_ec, TeX::Hyphen::Pattern::Ka_t8m, TeX::Hyphen::Pattern::Lv, TeX::Hyphen::Pattern::Lv_l7x, TeX::Hyphen::Pattern::Nb_ec, TeX::Hyphen::Pattern::Nl, TeX::Hyphen::Pattern::Nl_ec, TeX::Hyphen::Pattern::Nn_ec, TeX::Hyphen::Pattern::No, TeX::Hyphen::Pattern::Pl, TeX::Hyphen::Pattern::Pl_qx, TeX::Hyphen::Pattern::Ru, TeX::Hyphen::Pattern::Ru_t2a, TeX::Hyphen::Pattern::Sh_cyrl, TeX::Hyphen::Pattern::Sh_cyrl_t2a, TeX::Hyphen::Pattern::Sr_cyrl, TeX::Hyphen::Pattern::Sv, TeX::Hyphen::Pattern::Sv_ec, TeX::Hyphen::Pattern::Th, TeX::Hyphen::Pattern::Th_lth, TeX::Hyphen::Pattern::Uk, TeX::Hyphen::Pattern::Uk_t2a

This is not a critical issue. Currently mainly informative for the CPANTS authors. It might be removed later.