Warning when reloading Skript.

src/main/java/ch/njol/skript/Skript.java

@@ -103,6 +103,7 @@
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.server.PluginDisableEvent;
 import org.bukkit.event.server.ServerCommandEvent;
+import org.bukkit.event.server.ServerLoadEvent;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -923,6 +924,27 @@ public void run() {
 			}
 		}, this);
 
+		// Send a warning to console when the plugin is reloaded
+		Bukkit.getPluginManager().registerEvents(new Listener() {
+			@EventHandler
+			public void onServerReload(ServerLoadEvent event) {
+				if (!(event.getType() == ServerLoadEvent.LoadType.RELOAD)) return;
+
+				String warningMessage = "It appears that /reload or another plugin reloaded Skript. This is not supported behaviour and may cause issues.";
+				String restartMessage = "Please consider restarting the server instead.";
+
+				for (Player player : Bukkit.getOnlinePlayers()) {
+					if (!player.isOp()) return;
+
+					player.sendMessage(ChatColor.RED + warningMessage);
+					player.sendMessage(ChatColor.RED + restartMessage);
+				}
+
+				Skript.warning(warningMessage);
+				Skript.warning(restartMessage);
+			}
+		}, this);
+
 		// Tell Timings that we are here!
 		SkriptTimings.setSkript(this);
 	}