diff --git a/pom.xml b/pom.xml
index d213002..85e2ca6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
         <dependency>
             <groupId>fr.pandacube.bungeecord</groupId>
             <artifactId>bungeecord-chat</artifactId>
-            <version>1.11-SNAPSHOT</version>
+            <version>1.12-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/fr/pandacube/java/util/BiMap.java b/src/main/java/fr/pandacube/java/util/BiMap.java
index 18d5e0e..c4c0c30 100644
--- a/src/main/java/fr/pandacube/java/util/BiMap.java
+++ b/src/main/java/fr/pandacube/java/util/BiMap.java
@@ -57,5 +57,9 @@ public class BiMap<K, V> implements Iterable<Entry<K, V>> {
     		c.accept(entry.getKey(), entry.getValue());
     	}
     }
+    
+    public int size() {
+    	return map.size();
+    }
 
 }
diff --git a/src/main/java/fr/pandacube/java/util/network/packet/packets/global/PacketD0ServerException.java b/src/main/java/fr/pandacube/java/util/network/packet/packets/global/PacketD0ServerException.java
index 5d9c4a3..af7cd29 100644
--- a/src/main/java/fr/pandacube/java/util/network/packet/packets/global/PacketD0ServerException.java
+++ b/src/main/java/fr/pandacube/java/util/network/packet/packets/global/PacketD0ServerException.java
@@ -25,9 +25,9 @@ public class PacketD0ServerException extends PacketServer {
 	}
 	
 	
-	public void setException(Exception e) {
+	public void setException(Throwable t) {
 		StringWriter sw = new StringWriter();
-		e.printStackTrace(new PrintWriter(sw));
+		t.printStackTrace(new PrintWriter(sw));
 		exception = sw.toString();
 	}
 	
diff --git a/src/main/java/fr/pandacube/java/util/network/server/TCPServer.java b/src/main/java/fr/pandacube/java/util/network/server/TCPServer.java
index bbce74b..8aeb8ab 100644
--- a/src/main/java/fr/pandacube/java/util/network/server/TCPServer.java
+++ b/src/main/java/fr/pandacube/java/util/network/server/TCPServer.java
@@ -75,7 +75,6 @@ public class TCPServer extends Thread implements Closeable {
 
 		try {
 			while (true) {
-				@SuppressWarnings("resource")
 				Socket socketClient = socket.accept();
 				socketClient.setSendBufferSize(Pandacube.NETWORK_TCP_BUFFER_SIZE);
 				socketClient.setSoTimeout(Pandacube.NETWORK_TIMEOUT);
@@ -156,11 +155,13 @@ public class TCPServer extends Thread implements Closeable {
 						
 						executeCallbacks(pc, callbacks);
 						
-					} catch (Exception e) {
+					} catch (Throwable e) {
 						Log.severe("Exception while handling packet. This exception will be sent to the client with PacketServerException packet.", e);
 						PacketD0ServerException packet = new PacketD0ServerException();
 						packet.setException(e);
 						send(packet);
+						if (e instanceof InterruptedException || e instanceof Error)
+							throw e;
 					}
 				}
 
diff --git a/src/main/java/fr/pandacube/java/util/network_api/server/NetworkAPIListener.java b/src/main/java/fr/pandacube/java/util/network_api/server/NetworkAPIListener.java
index a6b7ee6..25ce582 100644
--- a/src/main/java/fr/pandacube/java/util/network_api/server/NetworkAPIListener.java
+++ b/src/main/java/fr/pandacube/java/util/network_api/server/NetworkAPIListener.java
@@ -47,7 +47,6 @@ public class NetworkAPIListener implements Runnable {
 		try {
 			// réception des connexion client
 			while (!serverSocket.isClosed()) {
-				@SuppressWarnings("resource")
 				Socket socketClient = serverSocket.accept();
 				nAPIExecutionHandler.handleRun(new PacketExecutor(socketClient, this));
 			}
diff --git a/src/main/java/fr/pandacube/java/util/orm/SQLElement.java b/src/main/java/fr/pandacube/java/util/orm/SQLElement.java
index 4653ad0..7ef42fb 100644
--- a/src/main/java/fr/pandacube/java/util/orm/SQLElement.java
+++ b/src/main/java/fr/pandacube/java/util/orm/SQLElement.java
@@ -188,7 +188,7 @@ public abstract class SQLElement<E extends SQLElement<E>> {
 		return modifiedSinceLastSave.contains(field.name);
 	}
 
-	@SuppressWarnings({ "unchecked", "resource" })
+	@SuppressWarnings("unchecked")
 	public void save() throws ORMException {
 		if (!isValidForSave())
 			throw new IllegalStateException(toString() + " has at least one undefined value and can't be saved.");
diff --git a/src/main/java/fr/pandacube/java/util/orm/SQLElementList.java b/src/main/java/fr/pandacube/java/util/orm/SQLElementList.java
index 36001c9..2ad97d6 100644
--- a/src/main/java/fr/pandacube/java/util/orm/SQLElementList.java
+++ b/src/main/java/fr/pandacube/java/util/orm/SQLElementList.java
@@ -9,6 +9,7 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import com.google.gson.JsonArray;
 
@@ -45,10 +46,10 @@ public class SQLElementList<E extends SQLElement<E>> extends ArrayList<E> {
 	 * @param value la valeur à lui appliquer
 	 */
 	public synchronized <T> void setCommon(SQLField<E, T> field, T value) {
-		if (field != null && field.name == "id")
-			throw new IllegalArgumentException("Can't modify id field in a SQLElementList");
 		if (field == null)
 			throw new IllegalArgumentException("field can't be null");
+		if (field.name == "id")
+			throw new IllegalArgumentException("Can't modify id field in a SQLElementList");
 		
 		Class<E> elemClass = field.getSQLElementType();
 		try {
@@ -132,11 +133,7 @@ public class SQLElementList<E extends SQLElement<E>> extends ArrayList<E> {
 	}
 
 	private List<E> getStoredEl() {
-		List<E> listStored = new ArrayList<>();
-		forEach(el -> {
-			if (el.isStored()) listStored.add(el);
-		});
-		return listStored;
+		return stream().filter(SQLElement::isStored).collect(Collectors.toCollection(() -> new ArrayList<>()));
 	}
 
 	public synchronized void removeFromDB() {