AttributeError 'QuerySet' object has no attribute 'expenses'

Hi, 

New to Django. when navigating to the reqired view, I get the error above.

urls.py

path('businesslogin/businessadmin/busproject', views.projectdetail, name='projectdetail'),

views.py

def projectdetail(request):

    project = Project.objects.all()

    return render(request, 'busprojectdetail.html', {'project': project, 'expense_list': project.expenses.all()})

models.py

# Project model

class Project(models.Model):

    name = models.CharField(max_length=100)

    budget = IntegerField()

    def save(self, *args, **kwargs):

        self.name

        super(Project, self).save(*args, **kwargs)

# Category manager model

class Category(models.Model):

    project = models.ForeignKey(

        Project, on_delete=models.CASCADE)

    name = models.CharField(max_length=150)

# Expenses manager model

class Expense(models.Model):

    project = models.ForeignKey(

        Project, on_delete=models.CASCADE, related_name='expenses')

    title = models.CharField(max_length=100)

    amount = models.DecimalField(max_digits=8, decimal_places=2)

    category = models.ForeignKey(Category, on_delete=models.CASCADE)

the error is as follows:

Exception Type:	AttributeError
Exception Value:	'QuerySet' object has no attribute 'expenses'
Exception Location:	/Users/ProductionEnv/Desktop/test/test1/dev/core/views.py in projectdetail, line 238 Please can anyone help? Best  K

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