AttributeError at /sales/
can't set attribute 'outstanding_credit'
Request Method:	GET
Request URL:	http://hyperkthika.posapp.co.ke/sales/
Django Version:	5.2.4
Exception Type:	AttributeError
Exception Value:	
can't set attribute 'outstanding_credit'
Exception Location:	/var/www/html/hyperkenya/venv/lib/python3.10/site-packages/django/db/models/query.py, line 131, in __iter__
Raised during:	sales.views.dashboard
Python Executable:	/var/www/html/hyperkenya/venv/bin/python
Python Version:	3.10.12
Python Path:	
['/var/www/html/hyperkenya',
 '/usr/lib/python310.zip',
 '/usr/lib/python3.10',
 '/usr/lib/python3.10/lib-dynload',
 '/var/www/html/hyperkenya/venv/lib/python3.10/site-packages']
Server time:	Tue, 15 Jul 2025 19:34:03 +0300
Error during template rendering
In template /var/www/html/hyperkenya/sales/templates/sales/sale_dashboard.html, error at line 28

can't set attribute 'outstanding_credit'
18	                        <p class="text-muted mb-0">Real-time sales analytics and insights</p>
19	                    </div>
20	                    <div class="text-right">
21	                        <small class="text-muted">Last updated: <span id="lastUpdated"></span></small>
22	                    </div>
23	                </div>
24	            </div>
25	        </div>
26	
27	        <!-- Alerts Section -->
28	        {% if overdue_debts %}
29	        <div class="row mb-4">
30	            <div class="col-12">
31	                <div class="alert alert-warning alert-dismissible fade show border-0 shadow-sm" role="alert">
32	                    <div class="d-flex align-items-center">
33	                        <i class="fas fa-exclamation-triangle fa-2x text-warning mr-3"></i>
34	                        <div class="flex-grow-1">
35	                            <h6 class="alert-heading mb-2">
36	                                <strong>Overdue Debts Alert</strong>
37	                            </h6>
38	                            <p class="mb-2">