id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 19499,databasse error,vinthkumar@…,nobody,"hi i'm new learner for django. i decalare the models.py class like this {{{ class MAccount(models.Model): act_id = models.CharField(primary_key=True, max_length=8, null=False, unique=True) pwd = models.CharField(max_length=20, null=False) name = models.CharField(max_length=25, null=False) address = models.TextField() phone = models.CharField(max_length=13, null=False) email = models.EmailField(null=False) #create Event table class MEvent(models.Model): event_id = models.CharField(primary_key=True, max_length=20, null=False, unique=True) name = models.CharField(max_length=50, null=False) date = models.DateField(null=False, blank=False) image = models.ImageField(upload_to='img', blank=False) loc = models.TextField() email = models.EmailField(null=False) acc_id = models.ForeignKey(MAccount) }}} views.py {{{ def eventcreate(request): if request.method == 'POST': # If the form has been submitted... form = models.MEventForm(request.POST, request.FILES) # A form bound to the POST data if form.is_valid(): # All validation rules pass # Process the data in form.cleaned_data # ... form.save() return HttpResponseRedirect('/detail/') # Redirect after POST else: form = models.MEventForm() # An unbound form return render(request, 'eventcreate.html', { 'form': form, }) def detail(request): latest_list = MEvent.objects.all().order_by('-event_id') [:10] temp = {'latest_list': latest_list} return render_to_response('detail.html', temp, context_instance=RequestContext(request)) }}} i added a value in MAccount cllass and MEvent class i need to display that all records in MEvent class. when i goto the detail.html page i get this error. how can i solve this error. DatabaseError at /detail/ no such column: accountapp_mevent.acc_id_id Request Method: GET Request URL: http://127.0.0.1:8000/detail/ Django Version: 1.4.2 Exception Type: DatabaseError Exception Value: no such column: accountapp_mevent.acc_id_id Exception Location: /usr/local/lib/python2.7/dist-packages/django/db/backends/sqlite3/base.py in execute, line 344 Python Executable: /usr/bin/python2.7 Python Version: 2.7.3 Python Path: ['/home/vinod/workspace/userbackend', '/home/vinod/workspace/userbackend', '/home/vinod/.eclipse/org.eclipse.platform_3.8_155965261/plugins/org.python.pydev_2.7.1.2012100913/pysrc', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/PIL', '/usr/lib/python2.7/dist-packages/gst-0.10', '/usr/lib/python2.7/dist-packages/gtk-2.0', '/usr/lib/python2.7/dist-packages/ubuntu-sso-client', '/usr/lib/python2.7/dist-packages/ubuntuone-client', '/usr/lib/python2.7/dist-packages/ubuntuone-control-panel', '/usr/lib/python2.7/dist-packages/ubuntuone-couch', '/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol'] Server time: Thu, 20 Dec 2012 03:27:50 -0600",Bug,closed,"Database layer (models, ORM)",1.4,Normal,invalid,database error,vinothkumar@…,Unreviewed,1,0,0,0,1,0