Fixed several NPEs

plugin/src/main/java/io/lumine/cosmetics/managers/back/BackManager.java

@@ -36,7 +36,7 @@ public class BackManager extends MCCosmeticsManager<BackAccessory> implements Hi
                 final var player = event.getPlayer();
                 final var profile = plugin.getProfiles().getProfile(player);
                 
-                if(profile.getEquipped(BackAccessory.class).isPresent()) {
+                if(profile != null && profile.getEquipped(BackAccessory.class).isPresent()) {
                     unequip(profile);
                     
                     Schedulers.sync().runLater(() -> {
@@ -51,7 +51,7 @@ public class BackManager extends MCCosmeticsManager<BackAccessory> implements Hi
                 final var player = event.getPlayer();
                 final var profile = plugin.getProfiles().getProfile(player);
                 
-                if(profile.getEquipped(BackAccessory.class).isPresent()) {
+                if(profile != null && profile.getEquipped(BackAccessory.class).isPresent()) {
                     unequip(profile);
                     
                     Schedulers.sync().runLater(() -> {

plugin/src/main/java/io/lumine/cosmetics/managers/modelengine/MEGManager.java

@@ -42,7 +42,7 @@ public class MEGManager extends MCCosmeticsManager<MEGAccessory> {
                 final var player = event.getEntity();
                 final var profile = plugin.getProfiles().getProfile(player);
                 
-                if(profile.getEquipped(MEGAccessory.class).isPresent()) {
+                if(profile != null && profile.getEquipped(MEGAccessory.class).isPresent()) {
                     unequip(profile);
                 }
             })
@@ -54,7 +54,7 @@ public class MEGManager extends MCCosmeticsManager<MEGAccessory> {
                 final var profile = plugin.getProfiles().getProfile(player);
                 
                 Schedulers.sync().runLater(() -> {
-                    if(profile.getEquipped(MEGAccessory.class).isPresent()) {
+                    if(profile != null && profile.getEquipped(MEGAccessory.class).isPresent()) {
                         equip(profile);
                     }
                 }, 5);