diff --git a/js/skama_code/api/agent.js b/js/skama_code/api/agent.js
index 274e6a3..c915f85 100644
--- a/js/skama_code/api/agent.js
+++ b/js/skama_code/api/agent.js
@@ -19,20 +19,20 @@ export class Agent {
 }
 
 export class AgentBuilder {
-  static create(symbol, faction, callback, error_handler, email = "") {
+  static create(symbol, faction, callback, error_handler) {
       const url = `${SpaceTraders.host}/register`;
       $.ajax({
         url: url,
         method: "POST",
         headers: { "Content-Type": "application/json" },
         processData: false,
-        data: `{\n  "faction": "${faction}",\n  "symbol": "${symbol}",\n  "email": "${email}"\n}`,
+        data: `{\n  "faction": "${faction}",\n  "symbol": "${symbol}"}`,
         success: (reponse) => {
           let agent = new Agent(reponse.data.agent, reponse.data.token)
           callback(agent);
         },
         error: (err) => {
-          error_handler(["Symbol is invalid."])
+          error_handler(["Name already took."])
         }
       });
   }
diff --git a/js/skama_code/auth/auth.js b/js/skama_code/auth/auth.js
index 2db5471..4ce4f41 100644
--- a/js/skama_code/auth/auth.js
+++ b/js/skama_code/auth/auth.js
@@ -6,7 +6,7 @@ import Strategie from '../commun/strategie.js';
 let strategies = {
     register: [
         {
-            name: "symbol",
+            name: "name",
             validations: [
                 "required",
                 "max_length|14"
@@ -67,11 +67,11 @@ export class Auth {
 
     register(new_agent) {
         let validateur = new Strategie(this.strategies.register);
-        validateur.validate("symbol", new_agent.symbol);
+        validateur.validate("name", new_agent.name);
         validateur.validate("faction", new_agent.faction);
         if (validateur.errors.length > 0) this.error_handler(validateur.errors);
         else {            
-            AgentBuilder.create(new_agent.symbol, new_agent.faction, (agent) => {
+            AgentBuilder.create(new_agent.name, new_agent.faction, (agent) => {
                 if (this.store) localStorage.setItem("token", agent.token);
                 this.validated(agent);
             }, this.error_handler);
diff --git a/js/skama_code/ui/templeting_engine.js b/js/skama_code/ui/templeting_engine.js
index 88981d7..924ca37 100644
--- a/js/skama_code/ui/templeting_engine.js
+++ b/js/skama_code/ui/templeting_engine.js
@@ -10,7 +10,7 @@ export class TemplateEngine {
       $('body').html(reponse);
       this.get_template((reponse) => {
         $("#block-content").html(reponse);
-        if (this.after_render_callback) this.after_render_callback();
+        if (this.after_render_callback) this.after_render_callback(this);
       }, template)
     });
   }