FieldError at /tickets/
Invalid field name(s) given in select_related: 'assigned_technician'. Choices are: customer, created_by, assigned_to, assigned_employee
Request Method:	GET
Request URL:	http://7a7f08a3-f24d-4ac6-bd06-d0386ed34d90-00-134azppx5f9s7.worf.replit.dev/tickets/
Django Version:	5.0.2
Exception Type:	FieldError
Exception Value:	
Invalid field name(s) given in select_related: 'assigned_technician'. Choices are: customer, created_by, assigned_to, assigned_employee
Exception Location:	/home/runner/workspace/.pythonlibs/lib/python3.10/site-packages/django/db/models/sql/compiler.py, line 1367, in get_related_selections
Raised during:	tickets.views.ticket_list
Python Executable:	/home/runner/workspace/.pythonlibs/bin/python
Python Version:	3.10.18
Python Path:	
['/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/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:	Mon, 28 Jul 2025 10:47:55 +0000
Error during template rendering
In template /home/runner/workspace/templates/tickets/ticket_list.html, error at line 127

Invalid field name(s) given in select_related: 'assigned_technician'. Choices are: customer, created_by, assigned_to, assigned_employee
117	
118	            <!-- Tickets Table -->
119	            <div class="card">
120	                <div class="card-header d-flex justify-content-between align-items-center">
121	                    <h6 class="mb-0">
122	                        <i class="bi bi-list-task me-2"></i> All Tickets
123	                    </h6>
124	                    <small class="text-secondary">Showing {{ page_obj.start_index|default:0 }}-{{ page_obj.end_index|default:0 }} of {{ page_obj.paginator.count|default:0 }} tickets</small>
125	                </div>
126	                <div class="card-body p-0">
127	                    {% if page_obj %}
128	                        <div class="table-responsive">
129	                            <table class="table table-hover mb-0">
130	                                <thead>