add errMsg function

static/js/base.js

@@ -28,7 +28,15 @@ function addMsg(msg, alert_type) {
         + msg + "</div>\n";
     msgDiv.html(html);
 }
-
+/**
+ * add Muliple error message from err_obj
+ * @param err_obj {error_code:erro_message}
+ */
+function errMsg(errs_obj){
+    for (const err_msg of Object.values(errs_obj)) {
+              addMsg(err_msg,'danger');
+          }
+}
 /**
  * Reload the balance of the user on the right top corner
  */

static/js/consos.js

@@ -200,7 +200,6 @@ function consume(source, dest, quantity, amount, reason, type, category, templat
             "template": template
         }, reset).fail(function (e) {
             reset();
-
+            errMsg(e.responseJSON);
-            addMsg("Une erreur est survenue lors de la transaction : " + e.responseText, "danger");
     });
 }