1 files changed, 10 insertions, 5 deletions
diff --git a/web/app/model/Device.js b/web/app/model/Device.js
index f733a303..9de5828d 100644
--- a/web/app/model/Device.js
+++ b/web/app/model/Device.js
@@ -30,19 +30,24 @@ Ext.define('Traccar.model.Device', {
         type: 'string'
     }, {
         name: 'phone',
-        type: 'string'
+        type: 'string',
+        allowNull: true
     }, {
         name: 'model',
-        type: 'string'
+        type: 'string',
+        allowNull: true
     }, {
         name: 'contact',
-        type: 'string'
+        type: 'string',
+        allowNull: true
     }, {
         name: 'category',
-        type: 'string'
+        type: 'string',
+        allowNull: true
     }, {
         name: 'status',
-        type: 'string'
+        type: 'string',
+        allowNull: true
     }, {
         name: 'lastUpdate',
         type: 'date',