Unsure what's happening. On snowball launch

Okay, so, I am making a Hub plugin, of which will have things such as double jump, pvp, kotl, mazes, parkour, etc.

I have one feature, where when the player throws a snowball, they travel along the snowball (as a passenger)..
It was working completely fine at one stage, now all of a sudden... it does not work.

Before hand, I can double jump, I can do everything, it all works (except snowball)
After I try throwing that snowball, it does not work. It teleports me to the side a little bit (as if I'm getting on the snowball to ride it).. then it says "Cannot send chat message" whenever I write, or do a command.

Does not produce any errors in console.

ProjectileLaunchEvent (open) ProjectileLaunchEvent (close)

Code:

if (e.getEntity().getType().equals(EntityType.SNOWBALL)) {
            if (e.getEntity().getShooter() instanceof Player) {
                Player p = (Player) e.getEntity().getShooter();
                API.hashCheck(p, "kotl");
                API.hashCheck(p, "parkour");
                API.hashCheck(p, "maze");
                removeFromGames(p);
                e.getEntity().setPassenger(p);
            }
        }

hashCheck method (open) hashCheck method (close)

Code:

    public static void hashCheck(Player p, String s) {
        if (s.equalsIgnoreCase("parkour")) {
            if (Main.parkour_isInParkour.get(p.getUniqueId()) == null) {
                Main.parkour_isInParkour.put(p.getUniqueId(), "no");
            }
            if (Main.parkour_playerCheckpoints.get(p.getUniqueId()) == null) {
                Main.parkour_isInParkour.put(p.getUniqueId(), "zero");
            }
            if (Main.canDoubleJump.get(p.getUniqueId()) == null) {
                Main.canDoubleJump.put(p.getUniqueId(), "yes");
            }
        } else if (s.equalsIgnoreCase("maze")) {
            if (Main.maze_isInMaze.get(p.getUniqueId()) == null) {
                Main.maze_isInMaze.put(p.getUniqueId(), "no");
            }
            if (Main.maze_playerEffectSeconds.get(p.getUniqueId()) == null) {
                Main.maze_playerEffectSeconds.put(p.getUniqueId(), 0);
            }
            if (Main.canDoubleJump.get(p.getUniqueId()) == null) {
                Main.canDoubleJump.put(p.getUniqueId(), "yes");
            }
        } else if (s.equalsIgnoreCase("flying")) {
            if (Main.isFlying.get(p.getUniqueId()) == null) {
                Main.isFlying.put(p.getUniqueId(), "no");
            }
        } else if (s.equalsIgnoreCase("kotl")) {
            if (Main.kotl_playerInRegion.get(p.getUniqueId()) == null) {
                Main.kotl_playerInRegion.put(p.getUniqueId(), "no");
            }
            if (Main.kotl_toldInRegion.get(p.getUniqueId()) == null) {
                Main.kotl_toldInRegion.put(p.getUniqueId(), "no");
            }
        } else {
            Main.logError("There was an error doing a hashCheck: string not found.");
        }
    }

removeFromGames method (open) removeFromGames method (close)

Code:

public static void removeFromGames(Player p) {
        API.hashCheck(p, "parkour");
        API.hashCheck(p, "maze");
        API.hashCheck(p, "flying");
        if (Main.parkour_isInParkour.get(p.getUniqueId()).equalsIgnoreCase("yes")) {
            Main.parkour_isInParkour.put(p.getUniqueId(), "no");
            Main.parkour_playerCheckpoints.put(p.getUniqueId(), "zero");
            p.sendMessage(Strings.getMessage("parkour_stop"));
        }
        if (Main.maze_isInMaze.get(p.getUniqueId()).equalsIgnoreCase("yes")) {
            Main.maze_isInMaze.put(p.getUniqueId(), "no");
            p.sendMessage(Strings.getMessage("maze_stop"));
        }
    }

Plugins installed:
WorldEdit,
Essentials,
EssentialsProtect,
EssentialsChat,
EssentialsAntiBuild,
PermissionsEx,
NoteBlockAPI,
Hub (my plugin),
Vault,
EssentialsSpawn,
Multiverse-Core,
WorldGuard (could be issue?),
ProtocolLib,
JukeBox,
WorldGuardExtraFlags,
iPortal,
UltraBar,
GadgetsMenu,
MarriageMaster,
HolographicDisplays,
LiteBans.

 

Sorry, I know, double command/post..
I just made it so it was only

Code:

    @EventHandler
    public void onProjectileThrow(ProjectileLaunchEvent e) {
        if (e.getEntity().getType().equals(EntityType.ENDER_PEARL)) {
            e.setCancelled(true);
        } else if (e.getEntity().getType().equals(EntityType.SNOWBALL)) {
            if (e.getEntity().getShooter() instanceof Player) {
                Player p = (Player) e.getEntity().getShooter();
//                API.hashCheck(p, "kotl");
//                API.hashCheck(p, "parkour");
//                API.hashCheck(p, "maze");
//                removeFromGames(p);
                e.getEntity().setPassenger(p);
            }
        }
    }

Still doesn't work, still returns "Cannot send chat message" whenever i write a message or send a command. Still teleports me to the side a little bit when i throw the snowball.