Argument of type 'string | undefined' is not assignable to parameter of type 'string'.
Type 'undefined' is not assignable to type 'string'.
export const DB_NAME = process.env.DB_NAME ?? "default_database";
UnhandledPromiseRejectionWarning: DiscordAPIError: Cannot send messages to this user
UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch().