NoReverseMatch at /
Reverse for 'ticket_detail' with arguments '('',)' not found. 1 pattern(s) tried: ['tickets/(?P<ticket_number>[^/]+)/\\Z']
Request Method:	GET
Request URL:	http://7a7f08a3-f24d-4ac6-bd06-d0386ed34d90-00-134azppx5f9s7.worf.replit.dev/
Django Version:	5.0.2
Exception Type:	NoReverseMatch
Exception Value:	
Reverse for 'ticket_detail' with arguments '('',)' not found. 1 pattern(s) tried: ['tickets/(?P<ticket_number>[^/]+)/\\Z']
Exception Location:	/home/runner/workspace/.pythonlibs/lib/python3.10/site-packages/django/urls/resolvers.py, line 851, in _reverse_with_prefix
Raised during:	django_project.views.dashboard_view
Python Executable:	/home/runner/workspace/.pythonlibs/bin/python
Python Version:	3.10.18
Python Path:	
['/home/runner/workspace',
 '/home/runner/workspace',
 '/nix/store/zz7i75jb78idaz0rb1y1i4rzdyxq28vf-sitecustomize/lib/python/site-packages',
 '/nix/store/xpxqdrjisrwlpm2dnisd2r08iq2qx930-python3.10-pip-25.0.1/lib/python3.10/site-packages',
 '/nix/store/rwxj49zghamyhy07b67yhiq64bmznvmm-python3-3.10.14/lib/python3.10/site-packages',
 '/nix/store/jyvjawqnhnqhwrsinpvx1av7q2p2fcym-python3-3.10.18/lib/python310.zip',
 '/nix/store/jyvjawqnhnqhwrsinpvx1av7q2p2fcym-python3-3.10.18/lib/python3.10',
 '/nix/store/jyvjawqnhnqhwrsinpvx1av7q2p2fcym-python3-3.10.18/lib/python3.10/lib-dynload',
 '/home/runner/workspace/.pythonlibs/lib/python3.10/site-packages',
 '/nix/store/jyvjawqnhnqhwrsinpvx1av7q2p2fcym-python3-3.10.18/lib/python3.10/site-packages',
 '/home/runner/workspace/.pythonlibs/lib/python3.10/site-packages',
 '/nix/store/dl6xr8gz142jqd6gzmh43r4za60hfv0c-python3.10-setuptools-80.7.1/lib/python3.10/site-packages']
Server time:	Fri, 15 Aug 2025 12:44:46 +0300
Error during template rendering
In template /home/runner/workspace/templates/dashboard/dashboard.html, error at line 449

Reverse for 'ticket_detail' with arguments '('',)' not found. 1 pattern(s) tried: ['tickets/(?P<ticket_number>[^/]+)/\\Z']
439	                                        <th>ID</th>
440	                                        <th>Customer</th>
441	                                        <th>Issue</th>
442	                                        <th>Age</th>
443	                                    </tr>
444	                                </thead>
445	                                <tbody>
446	                                    {% for item in urgent_tickets %}
447	                                    <tr>
448	                                        <td>
449	                                            <a href="{% url 'tickets:ticket_detail' item.ticket.ticket_number %}" class="text-decoration-none">