The endpoint GetGuildPruneCountCall is attempting to pass a std::vector<Snowflake> through the fmt library as part of a query string instead of through as a JSON payload. Hmm https://github.com/DiscordPP/plugin-endpoints/blob/577b7f210c18ce3c1dcc7c03e73454fef22f35d5/discordpp/categories/guild.hh#L536
The endpoint GetGuildPruneCountCall is attempting to pass a std::vector through the fmt library as part of a query string instead of through as a JSON payload.
Hmm https://github.com/DiscordPP/plugin-endpoints/blob/577b7f210c18ce3c1dcc7c03e73454fef22f35d5/discordpp/categories/guild.hh#L536