@Override
    public void onEnable() {
        if (this.incompatibleVersion) {
            Logger logger = this.loader.getLogger();
            logger.severe("----------------------------------------------------------------------");
            logger.severe("Your proxy version is not compatible with this build of LuckPerms. :(");
            logger.severe("");
            logger.severe("This is most likely because you are using an old/outdated version of BungeeCord.");
            logger.severe("If you need 1.7 support, replace your BungeeCord.jar file with the latest build of");
            logger.severe("'Travertine' from here:");
            logger.severe("==> https://papermc.io/downloads#Travertine");
            logger.severe("");
            logger.severe("The proxy will now shutdown.");
            logger.severe("----------------------------------------------------------------------");
            getProxy().stop();
            return;
        }

        this.startTime = Instant.now();
        try {
            this.plugin.enable();
        } finally {
            this.enableLatch.countDown();
        }
    }
The time when the plugin was enabled
bungee/src/main/java/me/lucko/luckperms/bungee/LPBungeeBootstrap.java