diff --git a/src/main/java/me/skiincraft/api/paladins/Paladins.java b/src/main/java/me/skiincraft/api/paladins/Paladins.java
index d650554..ab1a207 100644
--- a/src/main/java/me/skiincraft/api/paladins/Paladins.java
+++ b/src/main/java/me/skiincraft/api/paladins/Paladins.java
@@ -100,7 +100,7 @@ public Boolean get() {
 				HttpRequest request = HttpRequest.get(url);
 				String body = request.body();
 				json = body;
-				bool = checkResponse(body);
+				bool = accessUtils.checkResponse(body);
 				if (!bool) {
 					throw new RequestException(body, body);
 				}
@@ -168,25 +168,5 @@ public AccessUtils getAccessUtils() {
 	public List<Session> getSessions(){
 		return sessions;
 	}
-	
-	private boolean checkResponse(String body) {
-		if (body.contains("Invalid Developer Id")) {
-			return false;
-		}
-		
-		if (body.contains("Invalid session id")) {
-			return false;
-		}
-		
-		if (body.contains("Exception while validating developer access.")) {
-			return false;
-		}
-		
-		if (body.contains("Error while comparing Server and Client timestamp")) {
-			return false;
-		}
-
-		return !body.contains("Exception - Timestamp");
-	}
 
 }
diff --git a/src/main/java/me/skiincraft/api/paladins/cache/PaladinsCacheImpl.java b/src/main/java/me/skiincraft/api/paladins/cache/PaladinsCacheImpl.java
index bdb9bdb..5707c62 100644
--- a/src/main/java/me/skiincraft/api/paladins/cache/PaladinsCacheImpl.java
+++ b/src/main/java/me/skiincraft/api/paladins/cache/PaladinsCacheImpl.java
@@ -54,7 +54,7 @@ public synchronized void addChampion(Champions champion) {
 	public synchronized void addMatch(Match match) {
 		RuntimeMemoryImpl<Match> impl = (RuntimeMemoryImpl<Match>) matchMemory;
 		Match[] c = impl.item;
-		List<Match> cc = Arrays.asList(c);
+		List<Match> cc = new ArrayList<>(Arrays.asList(c));
 		cc.add(match);
 		// Remove the last element
 		cc.removeAll(cc.stream().filter(cham -> cham.getMatchId() == cham.getMatchId()).collect(Collectors.toList()));
@@ -70,7 +70,7 @@ public synchronized void addCard(Cards cards) {
 		}
 		
 		Cards[] c = impl.item;
-		List<Cards> cc = Arrays.asList(c);
+		List<Cards> cc = new ArrayList<>(Arrays.asList(c));
 		// Remove the last element
 		cc.removeAll(
 				cc.stream()
diff --git a/src/main/java/me/skiincraft/api/paladins/exceptions/ChampionException.java b/src/main/java/me/skiincraft/api/paladins/exceptions/ChampionException.java
new file mode 100644
index 0000000..aaccd31
--- /dev/null
+++ b/src/main/java/me/skiincraft/api/paladins/exceptions/ChampionException.java
@@ -0,0 +1,8 @@
+package me.skiincraft.api.paladins.exceptions;
+
+public class ChampionException extends RuntimeException {
+
+    public ChampionException(String message) {
+        super(message);
+    }
+}
diff --git a/src/main/java/me/skiincraft/api/paladins/exceptions/MatchException.java b/src/main/java/me/skiincraft/api/paladins/exceptions/MatchException.java
index 66de5c1..86c25ba 100644
--- a/src/main/java/me/skiincraft/api/paladins/exceptions/MatchException.java
+++ b/src/main/java/me/skiincraft/api/paladins/exceptions/MatchException.java
@@ -1,21 +1,9 @@
 package me.skiincraft.api.paladins.exceptions;
 
-public class MatchException extends Exception {
-
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = -5758961246899999315L;
-	private String message;
-	
+public class MatchException extends RuntimeException {
 	
 	public MatchException(String message) {
-		this.message = message;
-	}
-	
-	@Override
-	public String getMessage() {
-		return message;
+		super(message);
 	}
 
 }
diff --git a/src/main/java/me/skiincraft/api/paladins/exceptions/PlayerException.java b/src/main/java/me/skiincraft/api/paladins/exceptions/PlayerException.java
index bfcbf53..d32a28f 100644
--- a/src/main/java/me/skiincraft/api/paladins/exceptions/PlayerException.java
+++ b/src/main/java/me/skiincraft/api/paladins/exceptions/PlayerException.java
@@ -1,22 +1,9 @@
 package me.skiincraft.api.paladins.exceptions;
 
-public class PlayerException extends Exception {
+public class PlayerException extends RuntimeException {
 
-
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = 1L;
-	private String message;
-	
-	
 	public PlayerException(String message) {
-		this.message = message;
-	}
-	
-	@Override
-	public String getMessage() {
-		return message;
+		super(message);
 	}
 
 }
diff --git a/src/main/java/me/skiincraft/api/paladins/exceptions/RequestException.java b/src/main/java/me/skiincraft/api/paladins/exceptions/RequestException.java
index 6d4dd46..74bc6c3 100644
--- a/src/main/java/me/skiincraft/api/paladins/exceptions/RequestException.java
+++ b/src/main/java/me/skiincraft/api/paladins/exceptions/RequestException.java
@@ -1,23 +1,20 @@
 package me.skiincraft.api.paladins.exceptions;
 
 public class RequestException extends RuntimeException {
-
-	/**
-	 * 
-	 */
 	private static final long serialVersionUID = 1L;
 	
 	private String requestMessage;
-	
-	
-	
+
+	public RequestException(String message) {
+		super(message);
+	}
+
 	public RequestException(String message, String retMsg) {
 		super(message);
 		this.requestMessage = retMsg;
 	}
 
 
-
 	public String getRequestMessage() {
 		return requestMessage;
 	}
diff --git a/src/main/java/me/skiincraft/api/paladins/exceptions/SearchException.java b/src/main/java/me/skiincraft/api/paladins/exceptions/SearchException.java
new file mode 100644
index 0000000..e78bad2
--- /dev/null
+++ b/src/main/java/me/skiincraft/api/paladins/exceptions/SearchException.java
@@ -0,0 +1,9 @@
+package me.skiincraft.api.paladins.exceptions;
+
+public class SearchException extends RuntimeException {
+
+	public SearchException(String message) {
+		super(message);
+	}
+
+}
diff --git a/src/main/java/me/skiincraft/api/paladins/impl/EndpointImpl.java b/src/main/java/me/skiincraft/api/paladins/impl/EndpointImpl.java
index 9cc6ea0..2487e54 100644
--- a/src/main/java/me/skiincraft/api/paladins/impl/EndpointImpl.java
+++ b/src/main/java/me/skiincraft/api/paladins/impl/EndpointImpl.java
@@ -35,6 +35,7 @@
 import me.skiincraft.api.paladins.enums.PlayerStatus.Status;
 import me.skiincraft.api.paladins.enums.Queue;
 import me.skiincraft.api.paladins.enums.Tier;
+import me.skiincraft.api.paladins.exceptions.*;
 import me.skiincraft.api.paladins.objects.Card;
 import me.skiincraft.api.paladins.objects.Place;
 import me.skiincraft.api.paladins.objects.SearchPlayer;
@@ -87,6 +88,14 @@ public Player get() {
 					json = request.body();
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
 
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new PlayerException("The requested Player does not exist, or has a private profile");
+					}
+
 					play = new PlayerImpl(array.get(0).getAsJsonObject(), api);
 				}
 				return this.play;
@@ -119,6 +128,14 @@ public SearchResults get() {
 					json = request.body();
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
 
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new SearchException("No player was found.");
+					}
+
 					List<SearchPlayer> searchPlayers = new ArrayList<>();
 					for (JsonElement element : array) {
 						JsonObject object = element.getAsJsonObject();
@@ -155,7 +172,17 @@ public PlayerStatus get() {
 
 					json = request.body();
 
-					JsonObject object = new JsonParser().parse(json).getAsJsonArray().get(0).getAsJsonObject();
+					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new PlayerException("The requested Player does not exist, or has a private profile");
+					}
+
+					JsonObject object = array.get(0).getAsJsonObject();
 
 					playerStatus = new PlayerStatus(player, object.get("Match").getAsLong(),
 							Status.getStatusById(object.get("status").getAsInt()), api);
@@ -202,6 +229,14 @@ public Champions get() {
 					HttpRequest request = HttpRequest.get(url);
 					json = request.body();
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new ChampionException("The requested champions could not be found");
+					}
 					
 					List<Champion> champions = new ArrayList<>();
 					for (JsonElement element : array) {
@@ -250,6 +285,9 @@ public Champion get() {
 				if (!wasRequested()) {
 					getChampions(language).getWithJson((c, j)->{
 						champion = c.getById(championId);
+						if (champion == null){
+							throw new ChampionException("This requested champion does not exist.");
+						}
 						json = j;
 					});
 					return champion; 
@@ -298,6 +336,11 @@ public Champion get() {
 					getChampions(language).getWithJson((c, j)->{
 						champion = c.getAsStream().filter(o -> o.getName().equalsIgnoreCase(championName))
 								.findAny().orElse(null);
+
+						if (champion == null){
+							throw new ChampionException("This requested champion does not exist.");
+						}
+
 						json = j;
 					});
 					return champion; 
@@ -349,6 +392,14 @@ public Cards get() {
 					json = request.body();
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
 
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new ChampionException("This requested champion does not exist.");
+					}
+
 					List<Card> cartas = new ArrayList<>();
 					for (JsonElement element : array) {
 						JsonObject object = element.getAsJsonObject();
@@ -384,6 +435,15 @@ public Skins get() {
 
 					json = request.body();
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new ChampionException("This requested champion does not exist.");
+					}
+
 					List<ChampionSkin> skin = new ArrayList<>();
 					for (JsonElement element : array) {
 						JsonObject object = element.getAsJsonObject();
@@ -424,13 +484,17 @@ public PlayerBatch get() {
 						}
 					}).collect(Collectors.toList());
 					
-					
 					string.forEach(buffer::append);
 					String url = makeUrl("getplayerbatch", new String[] { buffer.toString() });
 					HttpRequest request = HttpRequest.get(url);
 					
 					json = request.body();
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
 					List<Player> players = new ArrayList<>();
 					for (JsonElement element : array) {
 						JsonObject object = element.getAsJsonObject();
@@ -448,7 +512,7 @@ public void getWithJson(BiConsumer<PlayerBatch, String> biConsumer) {
 		};
 	}
 
-	public Request<PlayerChampions> getPlayerChampions(long user_id) {
+	public Request<PlayerChampions> getPlayerChampions(long userId) {
 		return new Request<PlayerChampions>() {
 			
 			private PlayerChampions playerChampions;
@@ -464,12 +528,20 @@ public void getWithJson(BiConsumer<PlayerChampions, String> biConsumer) {
 			
 			public PlayerChampions get() {
 				if (!wasRequested()) {
-					String url = makeUrl("getchampionranks", new String[] { String.valueOf(user_id) });
+					String url = makeUrl("getchampionranks", new String[] { String.valueOf(userId) });
 					HttpRequest request = HttpRequest.get(url);
 					
 					json = request.body();
 					
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new PlayerException("The requested Player does not exist, or has a private profile");
+					}
+
 					List<PlayerChampion> heeychamps = new ArrayList<>();
 					for (JsonElement element : array) {
 						JsonObject object = element.getAsJsonObject();
@@ -499,6 +571,14 @@ public Friends get() {
 					json = request.body();
 					
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new SearchException("It was not possible to find the friends of the requested user, or he does not exist.");
+					}
+
 					List<Friend> friendslist = new ArrayList<>();
 					for (JsonElement element : array) {
 						JsonObject object = element.getAsJsonObject();
@@ -536,6 +616,13 @@ public Loadouts get() {
 					json = request.body();
 					
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new SearchException("It was not possible to find the loadouts of the requested user, or he does not exist.");
+					}
 					
 					List<Loadout> load = new ArrayList<>();
 					for (JsonElement element : array) {
@@ -566,6 +653,14 @@ public Match get() {
 					json = request.body();
 					
 					JsonArray array = new JsonArray();
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new MatchException("It was not possible to find this match.");
+					}
+
 					this.match = new MatchImpl(api, array);
 				}
 				return match;
@@ -592,11 +687,8 @@ public List<Match> get() {
 				
 				StringBuilder buffer = new StringBuilder();
 				List<String> string = matchbatch.stream().map(o -> {
-					if (ultimovalor != o) {
-						return o + ",";
-					} else {
+					if (ultimovalor != o) return o + ",";
 						return o + "";
-					}
 				}).collect(Collectors.toList());
 				
 				
@@ -606,6 +698,14 @@ public List<Match> get() {
 				
 				json = request.body();
 				JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+
+				if (!paladins.getAccessUtils().checkResponse(json)){
+					throw new RequestException("Possibly the session is invalid. Check the session.");
+				}
+
+				if (array.size() == 0){
+					throw new MatchException("It was not possible to find this match.");
+				}
 				
 				int num = 0;
 				List<Match> partidas = new ArrayList<>();
@@ -643,6 +743,14 @@ public List<Match> get() {
 					HttpRequest request = HttpRequest.get(url);
 					json = request.body();
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new MatchException("It was not possible to find this match.");
+					}
 					
 					List<Match> partidas = new ArrayList<>();
 					for (JsonElement element : array) {
@@ -677,6 +785,14 @@ public LeaderBoard get() {
 					json = request.body();
 					
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new SearchException("It was not possible to find this leaderboard.");
+					}
+
 					List<Place> place = new ArrayList<>();
 					for (JsonElement element : array) {
 						JsonObject object = element.getAsJsonObject();
@@ -720,6 +836,14 @@ public LiveMatch get() {
 					json = request.body();
 					
 					JsonArray array = new JsonParser().parse(json).getAsJsonArray();
+					if (!paladins.getAccessUtils().checkResponse(json)){
+						throw new RequestException("Possibly the session is invalid. Check the session.");
+					}
+
+					if (array.size() == 0){
+						throw new MatchException("It was not possible to find this match.");
+					}
+
 					liveMatch = new LiveMatchImpl(array, api);
 				}
 				return liveMatch;
diff --git a/src/main/java/me/skiincraft/api/paladins/utils/AccessUtils.java b/src/main/java/me/skiincraft/api/paladins/utils/AccessUtils.java
index 9f36e9d..fc08726 100644
--- a/src/main/java/me/skiincraft/api/paladins/utils/AccessUtils.java
+++ b/src/main/java/me/skiincraft/api/paladins/utils/AccessUtils.java
@@ -16,6 +16,26 @@ public AccessUtils(int devId, String authkey) {
 		this.devId = devId;
 		this.authKey = authkey;
 	}
+
+	public boolean checkResponse(String body) {
+		if (body.contains("Invalid Developer Id")) {
+			return false;
+		}
+
+		if (body.contains("Invalid session id")) {
+			return false;
+		}
+
+		if (body.contains("Exception while validating developer access.")) {
+			return false;
+		}
+
+		if (body.contains("Error while comparing Server and Client timestamp")) {
+			return false;
+		}
+
+		return !body.contains("Exception - Timestamp");
+	}
 	
 	public String getAuthKey() {
 		return authKey;