--- src/web/config_load.cc.orig 2025-08-15 13:41:10 UTC +++ src/web/config_load.cc @@ -150,7 +150,11 @@ void Web::ConfigLoad::setValue(Json::Value& item, cons template void Web::ConfigLoad::setValue(Json::Value& item, const T& value) { +#if FMT_VERSION >= 120000 + static_assert(fmt::is_formattable::value, "T must be formattable"); +#else static_assert(fmt::has_formatter::value, "T must be formattable"); +#endif item[CONFIG_LOAD_VALUE] = fmt::to_string(value); }