diff --git a/gama.extension.serialize/models/Serialization/models/Serialize Operators - Restore simulation.gaml b/gama.extension.serialize/models/Serialization/models/Serialize Operators - Restore simulation.gaml
index 8ef23cbab1..1322812dfe 100644
--- a/gama.extension.serialize/models/Serialization/models/Serialize Operators - Restore simulation.gaml	
+++ b/gama.extension.serialize/models/Serialization/models/Serialize Operators - Restore simulation.gaml	
@@ -54,7 +54,7 @@ experiment "Repeated Simulations" type: gui {
 		saved_step <- serialize(self.simulation);
 	}
 	
-	reflex restore when: (cycle = 4) {
+	reflex restore when: (cycle mod 4) = 0 {
 		write "================ begin restore " + self + " - " + cycle;
 		restore simulation from: saved_step;
 		write "================ end restore " + self + " - " + cycle;			
diff --git a/gama.extension.serialize/models/Serialization/models/Serialize and Deserialize Objects.gaml b/gama.extension.serialize/models/Serialization/models/Serialize and Deserialize Objects.gaml
index dfc1206fec..c80b46e8ab 100644
--- a/gama.extension.serialize/models/Serialization/models/Serialize and Deserialize Objects.gaml	
+++ b/gama.extension.serialize/models/Serialization/models/Serialize and Deserialize Objects.gaml	
@@ -12,13 +12,15 @@ global {
 	init {
 		
 		list objects <- [[1,2,3,4], "fff",rgb(100,100,100)];
+		write "Base object list: " + objects;
 		
+		write "\nIndividually serialized and deserialized:";
 		loop o over: objects {
 			string s <- serialize(o);
 			write deserialize(s);
 		}
 
-		write deserialize(serialize(objects));
+		write "\nThe whole list serialized and deserialized: " + deserialize(serialize(objects));
 	}  
 }
 
diff --git a/gama.extension.serialize/src/gama/extension/serialize/binary/BinarySerialisation.java b/gama.extension.serialize/src/gama/extension/serialize/binary/BinarySerialisation.java
index 324ae293bf..7cb070a739 100644
--- a/gama.extension.serialize/src/gama/extension/serialize/binary/BinarySerialisation.java
+++ b/gama.extension.serialize/src/gama/extension/serialize/binary/BinarySerialisation.java
@@ -149,12 +149,12 @@ public static void restoreFromString(final IAgent agent, final String string) {
 			byte[] all = string.getBytes(ISerialisationConstants.STRING_BYTE_ARRAY_CHARSET);
 			restoreFromBytes(agent, all);
 		} catch (Throwable e) {
-			e.printStackTrace();
+			// e.printStackTrace();
 			// The string is maybe a path ?
 			try {
 				restoreFromFile(agent, string);
 			} catch (Throwable ex) {
-				throw GamaRuntimeException.create(ex, agent.getScope());
+				GAMA.reportAndThrowIfNeeded(agent.getScope(),GamaRuntimeException.create(ex, agent.getScope()), true);
 			}
 		}
 	}
diff --git a/gama.extension.serialize/src/gama/extension/serialize/gaml/RestoreStatement.java b/gama.extension.serialize/src/gama/extension/serialize/gaml/RestoreStatement.java
index dd19d681d3..1fece697db 100644
--- a/gama.extension.serialize/src/gama/extension/serialize/gaml/RestoreStatement.java
+++ b/gama.extension.serialize/src/gama/extension/serialize/gaml/RestoreStatement.java
@@ -66,9 +66,8 @@
 						optional = false,
 						doc = @doc ("The file or the string from which to restore the agent")) },
 		omissible = IKeyword.TARGET)
-@doc ("Allows to restore any agent that has been previously serialised or saved to a file, e.g. `string s <- serialize(a, 'json'); ...  restore a from: s; `"
-		+ " or `save simulation to: 'sim.gsim' format: `binary`; ... restore simulation from: file('sim.gsim') `")
-@SuppressWarnings ({ "unchecked", "rawtypes" })
+@doc ("Allows to restore any agent that has been previously serialised or saved to a file, e.g. `string s <- serialize(a);` ...  `restore a from: s;`"
+	+ " or `save simulation to: 'sim.gsim' format: 'binary';` ... `restore simulation from: file('sim.gsim');`")
 public class RestoreStatement extends AbstractStatement {
 
 	/** The header. */
diff --git a/gama.extension.serialize/src/gama/extension/serialize/gaml/SerialisationOperators.java b/gama.extension.serialize/src/gama/extension/serialize/gaml/SerialisationOperators.java
index f391af277e..c39d3827e8 100644
--- a/gama.extension.serialize/src/gama/extension/serialize/gaml/SerialisationOperators.java
+++ b/gama.extension.serialize/src/gama/extension/serialize/gaml/SerialisationOperators.java
@@ -25,6 +25,7 @@
 import gama.core.common.interfaces.IKeyword;
 import gama.core.common.util.StringUtils;
 import gama.core.metamodel.agent.IAgent;
+import gama.core.runtime.GAMA;
 import gama.core.runtime.IScope;
 import gama.core.runtime.exceptions.GamaRuntimeException;
 import gama.core.util.IContainer;
@@ -153,10 +154,10 @@ public static String toGeoJSon(final IScope scope, final IExpression spec, final
 	@test ("to_json(font('Helvetica')) = '{\"gaml_type\":\"font\",\"name\":\"Helvetica\",\"style\":0,\"size\":12}'")
 	@test ("to_json(point(20,10)) = '{\"gaml_type\":\"point\",\"x\":20.0,\"y\":10.0,\"z\":0.0}'")
 	@doc (
-			value = "Serializes any object/agent/simulation into a string, using the json format. A flag can be passed to enable/disable pretty printing (false by default)."
-					+ "The format used by GAMA follows simple rules. int, float, bool, string values are outputted as they are. nil is outputted as 'null'. A list is outputted as a json array. Any other object or agent is outputted as a json object. If this object possesses the \"gaml_type\" attribute, "
-					+ "it is an instance of the corresponding type, and the members that follow contain the attributes and the values necessary to reconstruct it. If it has the \"agent_reference\" attribute, its value represent the reference to an agent. If any reference to an agent is found, the "
-					+ "json string returned will be an object with two attributes: \"gama_object\", the object containing the references, and \"reference_table\" a dictionary mapping the references to the json description of the agents (their species, name, index, and list of attributes). "
+			value = "Serializes any object/agent/simulation into a string, using the json format. A flag can be passed to enable/disable pretty printing (`false` by default)."
+					+ "The format used by GAMA follows simple rules. `int`, `float`, `bool`, `string` values are outputted as they are. `nil` is outputted as `null`. A list is outputted as a json array. Any other object or agent is outputted as a json object. If this object possesses the attribute `gaml_type`, "
+					+ "it is an instance of the corresponding type, and the members that follow contain the attributes and the values necessary to reconstruct it. If it has the `agent_reference` attribute, its value represents the reference to an agent. If any reference to an agent is found, the "
+					+ "json string returned will be an object with two attributes: `gama_object`, the object containing the references, and `reference_table` a dictionary mapping the references to the json description of the agents (their `species`, `name`, `index`, and list of attributes). "
 					+ "This choice allows to manage cross references between agents",
 			see = { "serialize", "to_gaml" })
 	public static String toJson(final IScope scope, final Object obj, final boolean pretty) {
@@ -297,8 +298,8 @@ public static Object opEvalGaml(final IScope scope, final String gaml) {
 			final IExpression e = GAML.getExpressionFactory().createExpr(gaml, d);
 			return scope.evaluate(e, agent).getValue();
 		} catch (final GamaRuntimeException e) {
-			scope.getGui().getConsole().informConsole("Error in evaluating Gaml code : '" + gaml + "' in "
-					+ scope.getAgent() + Strings.LN + "Reason: " + e.getMessage(), scope.getRoot());
+			GAMA.reportAndThrowIfNeeded(scope, GamaRuntimeException.error("Error in evaluating Gaml code : '" + gaml + "' in "
+					+ scope.getAgent() + Strings.LN + "Reason: " + e.getMessage(), scope), false);
 
 			return null;
 		}