diff --git a/__manifest__.py b/__manifest__.py
index c63f254..7554be0 100644
--- a/__manifest__.py
+++ b/__manifest__.py
@@ -28,7 +28,7 @@
     'assets': {
         'point_of_sale.assets': [
             'static/src/js/partner_access_popup.js',
-            'static/src/js/debug.js',
+            #'static/src/js/debug.js',
         ],
     },
 
diff --git a/models/ows_models.py b/models/ows_models.py
index e4a51af..e9a7f2b 100644
--- a/models/ows_models.py
+++ b/models/ows_models.py
@@ -9,27 +9,33 @@ _logger.info("✅ ows_models.py geladen")
 
 class ResPartner(models.Model):
     _inherit = 'res.partner'
-    _logger.info("✅ ows ResPartner geladen") 
-    ows_user_id = fields.Many2one(
-        'ows.user',
-        string='OWS Benutzerdaten',
-        compute='_compute_ows_user',
-        inverse='_inverse_ows_user',
-        store=True,
-    )
-    
-    # ✳️ Related-Felder zur Verwendung im Formular
-    birthday = fields.Date(related='ows_user_id.birthday', readonly=False)
-    rfid_card = fields.Text(related='ows_user_id.rfid_card', readonly=False)
-    security_briefing = fields.Boolean(related='ows_user_id.security_briefing', readonly=False)
-    security_id = fields.Text(related='ows_user_id.security_id', readonly=False)
+    _logger.info("✅ ows ResPartner geladen")
 
-    def _compute_ows_user(self):
+    ows_user_id = fields.One2many('ows.user', 'partner_id', string="OWS Benutzerdaten")
+
+    # ✳️ Zugriff auf Felder aus ows.user per compute + inverse (statt related)
+    birthday = fields.Date(compute='_compute_ows_user_fields', inverse='_inverse_ows_user_fields', store=False)
+    rfid_card = fields.Text(compute='_compute_ows_user_fields', inverse='_inverse_ows_user_fields', store=False)
+    security_briefing = fields.Boolean(compute='_compute_ows_user_fields', inverse='_inverse_ows_user_fields', store=False)
+    security_id = fields.Text(compute='_compute_ows_user_fields', inverse='_inverse_ows_user_fields', store=False)
+
+    @api.depends('ows_user_id')
+    def _compute_ows_user_fields(self):
         for partner in self:
-            partner.ows_user_id = self.env['ows.user'].search(
-                [('partner_id', '=', partner.id)],
-                limit=1
-            )
+            user = partner.ows_user_id[0] if partner.ows_user_id else False
+            partner.birthday = user.birthday if user else False
+            partner.rfid_card = user.rfid_card if user else False
+            partner.security_briefing = user.security_briefing if user else False
+            partner.security_id = user.security_id if user else False
+
+    def _inverse_ows_user_fields(self):
+        for partner in self:
+            user = partner.ows_user_id[0] if partner.ows_user_id else False
+            if user:
+                user.birthday = partner.birthday
+                user.rfid_card = partner.rfid_card
+                user.security_briefing = partner.security_briefing
+                user.security_id = partner.security_id
 
     @api.model_create_multi
     def create(self, vals_list):
@@ -38,13 +44,11 @@ class ResPartner(models.Model):
             self.env['ows.user'].create({'partner_id': partner.id})
         return partners
 
-    
     machine_access_ids = fields.One2many(
         'ows.machine.access',
         'partner_id',
         string='Maschinenfreigaben'
-     )
-
+    )
 
     machine_access_html = fields.Html(
         string="Maschinenfreigaben",
@@ -54,21 +58,9 @@ class ResPartner(models.Model):
 
     @api.depends('machine_access_ids')
     def _compute_machine_access_html(self):
-        """
-        Computes an HTML representation of the machine access permissions for each partner.
-        The HTML is structured as a grid of machine areas, where each area contains a table
-        listing the machines and whether the partner has access to them.
-
-        - Iterates through all machine areas and their associated machines.
-        - Checks if the partner has access to each machine.
-        - Generates an HTML table with a checkmark or cross icon for each machine access status.
-        - Assigns the generated HTML to the `machine_access_html` field of the partner.
-        """
+        areas = self.env['ows.machine.area'].search([], order="name")
         for partner in self:
-            areas = self.env['ows.machine.area'].search([], order="name")
-            html = """
-            <div style='display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;'>
-            """
+            html = "<div style='display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;'>"
             for area in areas:
                 html += f"<div class='o_group' style='margin-bottom: 1em;'>"
                 html += f"<table class='o_group o_inner_group'>"
@@ -94,14 +86,17 @@ class ResPartner(models.Model):
             html += "</div>"
             partner.machine_access_html = html
 
-
     @api.model
     def migrate_existing_partners(self):
         """
         Erstellt für alle vorhandenen res.partner einen ows.user,
         wenn noch keiner existiert, und übernimmt alte vvow_* Felder.
-          odoo-bin shell -d deine_datenbank
-          env['res.partner'].migrate_existing_partners()
+        Führt am Ende automatisch einen commit durch.
+        
+        Verwendung in der odoo shell:
+        env['res.partner'].migrate_existing_partners()
+        env['ows.user'].search_count([])
+        env['ows.user'].search([]).mapped('partner_id.name')
         """
         migrated = 0
         skipped = 0
@@ -126,6 +121,9 @@ class ResPartner(models.Model):
 
         _logger.info(f"[OWS Migration] ✅ Migriert: {migrated}, ❌ Übersprungen: {skipped}")
 
+        # 🔐 Commit am Ende
+        self.env.cr.commit()
+
         return {
             'type': 'ir.actions.client',
             'tag': 'display_notification',
@@ -134,7 +132,8 @@ class ResPartner(models.Model):
                 'message': f"{migrated} Partner migriert, {skipped} übersprungen.",
                 'sticky': False,
             }
-        }            
+        }
+
 
 class OwsUser(models.Model):
     _name = 'ows.user'
diff --git a/models/pos_order.py b/models/pos_order.py
index 231cc24..ddffff6 100644
--- a/models/pos_order.py
+++ b/models/pos_order.py
@@ -20,7 +20,7 @@ class PosOrder(models.Model):
 
         training_products = self.env['ows.machine.training'].search([])
         product_map = {
-            tp.product_id.product_tmpl_id.id: tp.machine_id.id
+            tp.training_id.product_tmpl_id.id: tp.machine_id.id
             for tp in training_products
         }
 
diff --git a/static/src/js/partner_access_popup.js b/static/src/js/partner_access_popup.js
index 997b3eb..998c5f5 100644
--- a/static/src/js/partner_access_popup.js
+++ b/static/src/js/partner_access_popup.js
@@ -2,9 +2,14 @@ odoo.define('open_workshop.models', function (require) {
     "use strict";
     var models = require('point_of_sale.models');
     var field_utils = require('web.field_utils');
-
     models.load_fields('res.partner', 'create_date');
 
+    models.load_fields('res.partner', 'birthday');
+    models.load_fields('res.partner', 'security_briefing');
+    models.load_fields('res.partner', 'security_id');
+    models.load_fields('res.partner', 'rfid_card');
+
+
 });
 
 odoo.define('open_workshop.partner_access_popup', function (require) {
diff --git a/static/src/xml/ows_briefing_details.xml b/static/src/xml/ows_briefing_details.xml
index 871df3f..ae6e9de 100644
--- a/static/src/xml/ows_briefing_details.xml
+++ b/static/src/xml/ows_briefing_details.xml
@@ -29,12 +29,12 @@
 
                 <div class='client-detail'>
                     <span class='label'>Geburtstag</span>
-                    <t t-if='partner.ows_user_id.birthday'>
+                    <t t-if='partner.birthday'>
                         <span class='detail client-vvow_birthday'>
-                            <t t-esc='partner.ows_user_id.birthday' />
+                            <t t-esc='partner.birthday' />
                         </span>
                     </t>
-                    <t t-if='!partner.ows_user_id.birthday'>
+                    <t t-if='!partner.birthday'>
                         <span class='detail client-vvow_birthday empty'>N/A</span>
                     </t>
                 </div>
@@ -62,23 +62,23 @@
                 </div>
                 <div class='client-detail'>
                     <span class='label'>Haftungs.</span>
-                    <t t-if='partner.ows_user_id.security_briefing'>
+                    <t t-if='partner.security_briefing'>
                         <span class='detail client-details-vvow_briefing'>
                                 Ja
                         </span>
                     </t>
-                    <t t-if='!partner.ows_user_id.security_briefing'>
+                    <t t-if='!partner.security_briefing'>
                         <span class='detail client-details-vvow_sec_briefing_error'>
                                 Nein, bitte überprüfen!
                         </span>
                     </t>
 		    <span class='label'>Id:</span>
-                    <t t-if='partner.ows_user_id.security_id'>
+                    <t t-if='partner.security_id'>
                         <span class='detail client-details-vvow_security_id'>
-                             <t t-esc="partner.ows_user_id.security_id"/>
+                             <t t-esc="partner.security_id"/>
                         </span>
                     </t>
-                    <t t-if='!partner.ows_user_id.security_id'>
+                    <t t-if='!partner.security_id'>
                         <span class='detail client-details-vvow_security_id__error'>
                            Kein ID vorhanden
                         </span>
diff --git a/static/src/xml/ows_briefing_details_edit.xml b/static/src/xml/ows_briefing_details_edit.xml
index ba2c4a3..95822fd 100644
--- a/static/src/xml/ows_briefing_details_edit.xml
+++ b/static/src/xml/ows_briefing_details_edit.xml
@@ -37,7 +37,7 @@
                 </div>
                 <div class='client-detail'>
                     <span class='label'>Geburtstag</span>
-                    <input class='detail client-birthday' name='birthday' type='date' t-att-value='partner.ows_user_id.birthday || ""'></input>
+                    <input class='detail client-birthday' name='birthday' type='date' t-att-value='partner.birthday || ""'></input>
                 </div>
                 <div t-attf-class='client-detail #{widget.pos.pricelists.length &lt;= 1 ? "oe_hidden" : ""}'>
                     <span class='label'>Pricelist</span>
@@ -52,9 +52,9 @@
 
                 <div class='client-detail'>
                     <span class='label'>Haftungsauschschluß</span>
-                    <select class='detail client-vvow_security_briefing-states needsclick' name='vvow_security_briefing'>
-                        <option value='true' t-att-selected="partner.ows_user_id.security_briefing ? true : undefined">Ja</option>
-                        <option value='' t-att-selected="!partner.ows_user_id.security_briefing ? true: undefined">Nein</option>
+                    <select class='detail client-vvow_security_briefing-states needsclick' name='security_briefing'>
+                        <option value='true' t-att-selected="partner.security_briefing ? true : undefined">Ja</option>
+                        <option value='' t-att-selected="!partner.security_briefing ? true: undefined">Nein</option>
                     </select>
                 </div>
             </div>