diff --git a/gui/v2/actions/disable_profiles.py b/gui/v2/actions/disable_profiles.py
old mode 100644
new mode 100755
diff --git a/gui/v2/actions/locations.py b/gui/v2/actions/locations.py
index c773f78..47ebf48 100755
--- a/gui/v2/actions/locations.py
+++ b/gui/v2/actions/locations.py
@@ -2,34 +2,43 @@ def location_candidates(profile, preferred=None):
     candidates = []
     seen = set()
 
-    def add(val):
-        if val is None:
+    def add_location_id(source):
+        if isinstance(source, dict):
+            value = source.get('id') or source.get('location_id')
+        else:
+            value = getattr(source, 'id', None)
+
+        if value is None or isinstance(value, bool):
             return
-        s = str(val).strip().lower().replace(' ', '_')
-        if s and s not in seen:
-            seen.add(s)
-            candidates.append(s)
+
+        try:
+            location_id = int(value)
+        except (TypeError, ValueError):
+            return
+
+        if location_id not in seen:
+            seen.add(location_id)
+            candidates.append(location_id)
 
     if preferred:
-        add(preferred)
+        try:
+            add_location_id({'id': int(preferred)})
+        except (TypeError, ValueError):
+            pass
 
     sources = []
-    try:
-        if profile and profile.connection and profile.connection.location:
-            sources.append(profile.connection.location)
-    except Exception:
-        pass
     try:
         if profile and profile.location:
             sources.append(profile.location)
     except Exception:
         pass
+    try:
+        if profile and profile.connection and profile.connection.location:
+            sources.append(profile.connection.location)
+    except Exception:
+        pass
 
     for source in sources:
-        add(getattr(source, 'id', None))
-        add(getattr(source, 'country_name', None))
-        add(getattr(source, 'name', None))
-        add(getattr(source, 'code', None))
-        add(getattr(source, 'country_code', None))
+        add_location_id(source)
 
     return candidates
diff --git a/gui/v2/infrastructure/setup_observers.py b/gui/v2/infrastructure/setup_observers.py
index e96acf5..1c6a10f 100755
--- a/gui/v2/infrastructure/setup_observers.py
+++ b/gui/v2/infrastructure/setup_observers.py
@@ -92,6 +92,7 @@ def setup_observers(update_status):
         'custom_message', lambda event: update_status(f'{event.subject if event.subject else ""}'))
 
     ticket_observer.subscribe('connecting', lambda event: update_status('Connecting to ticket server...'))
+    ticket_observer.subscribe('preparing', lambda event: update_status(f'{event.subject if event.subject else "Preparing tickets..."}'))
     ticket_observer.subscribe('sync_done', lambda event: update_status('Ticket prices synced.'))
     ticket_observer.subscribe('waiting', lambda event: update_status('Waiting for payment...'))
     ticket_observer.subscribe('paid', lambda event: update_status('Payment received.'))
diff --git a/gui/v2/workers/worker.py b/gui/v2/workers/worker.py
index 736107f..118efce 100755
--- a/gui/v2/workers/worker.py
+++ b/gui/v2/workers/worker.py
@@ -231,19 +231,26 @@ class Worker(QObject):
             except Exception as e:
                 last_msg = str(e)
                 continue
-            if not isinstance(outcome, dict):
-                last_msg = 'invalid_response'
-                continue
-            billing_code = outcome.get('billing_code')
-            if outcome.get('valid') and billing_code:
+            if not isinstance(outcome, Result):
+                last_msg = f'Unexpected ticket result type: {type(outcome).__name__}'
+                self._ticket_error_emitted = True
+                self.change_page.emit(f'Ticket use failed: {last_msg}', True)
+                return None
+
+            billing_code = outcome.data
+            if outcome.valid and billing_code:
                 self._consumed_ticket = str(which_ticket)
                 return billing_code
             if billing_code:
                 self._consumed_ticket = str(which_ticket)
                 return billing_code
-            msg = outcome.get('message', 'failed')
+
+            msg = outcome.message
+            if not msg and outcome.error_type:
+                msg = outcome.error_type.value
+            msg = msg or 'Ticket use failed.'
             last_msg = msg
-            if msg != 'invalid_location':
+            if 'invalid_location' not in msg:
                 self._ticket_error_emitted = True
                 self.change_page.emit(f'Ticket use failed: {msg}', True)
                 return None