Standard output tables from the database: 500 error

Have a database which has a table. if the table is empty, it works in the standard mode(displays the names of the columns). After adding a new record, there are strange error(see Logs) when running on the local server, everything works fine. as a remote using pythonanywhere.com

File: requirements.txt

Flask==0.10.1
Flask-Admin==1.1.0
Flask-Login==0.2.11
Flask-SQLAlchemy==2.0
itsdangerous==0.24
Jinja2==2.7.3
MarkupSafe==0.23
SQLAlchemy==0.9.9
Werkzeug==0.10.1
WTForms==2.0.2

File: models.py

class User(db.Model):
    id = db.Column(db.Integer, primary_key = True)
    login = db.Column(db.String(8), unique = True, nullable = False)
    email = db.Column(db.String(32), nullable = False)
    password = db.Column(db.String(128), nullable = False)

File: ModelView.py

class MyModelView(sqla.ModelView):
    def on_model_change(self, form, model):
        if len(model.password):
            model.password = generate_password_hash(form.password.data)

File: start.py

app = Flask(__name__)
app.config.from_object('config')
db = SQLAlchemy(app)
admin.add_view(ModelView.MyModelView(models.User, db.session,
                                            name = u"users"))

File: /var/www/name_pythonanywhere_com_wsgi.py

import sys


activate_this = '/home/name/name/venv/bin/activate_this.py'
execfile(activate_this, dict(__file__=activate_this))

# add your project directory to the sys.path
project_home = u'/home/name/name/'
if project_home not in sys.path:
    sys.path = [project_home] + sys.path

# import flask app but need to call it "application" for WSGI to work
from core import app as application

logs:

2015-03-24 14:13:52,459 :Exception on /admin/user/ [GET]
Traceback (most recent call last):
  File "/home/name/name/venv/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/name/name/venv/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/name/name/venv/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/name/name/venv/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/name/name/venv/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/base.py", line 68, in inner
    return self._run_view(f, *args, **kwargs)
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/base.py", line 354, in _run_view
    return fn(self, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/flask_admin/model/base.py", line 1322, in index_view
    actions_confirmation=actions_confirmation)
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/base.py", line 294, in render
    return render_template(template, **kwargs)
  File "/home/name/name/venv/lib/python2.7/site-packages/flask/templating.py", line 128, in render_template
    context, ctx.app)
  File "/home/name/name/venv/lib/python2.7/site-packages/flask/templating.py", line 110, in _render
    rv = template.render(context)
  File "/home/name/name/venv/lib/python2.7/site-packages/jinja2/environment.py", line 969, in render
    return self.environment.handle_exception(exc_info, True)
  File "/home/name/name/venv/lib/python2.7/site-packages/jinja2/environment.py", line 742, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/home/name/name/core/templates/list.html", line 2, in top-level template code
    {% import 'admin/model/layout.html' as model_layout with context %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/model/list.html", line 5, in top-level template code
    {% import 'admin/actions.html' as actionlib with context %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/master.html", line 1, in top-level template code
    {% extends admin_base_template %}
  File "/home/name/name/core/templates/admin_control.html", line 1, in top-level template code
    {% extends 'admin/base.html' %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/base.html", line 28, in top-level template code
    {% block page_body %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/base.html", line 56, in block "page_body"
    {% block body %}{% endblock %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/model/list.html", line 49, in block "body"
    {% block model_list_table %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/model/list.html", line 95, in block "model_list_table"
    {% block list_row scoped %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/model/list.html", line 101, in block "list_row"
    {% block list_row_actions_column scoped %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/model/list.html", line 103, in block "list_row_actions_column"
    {% block list_row_actions scoped %}
  File "/home/name/name/venv/lib/python2.7/site-packages/flask_admin/templates/bootstrap2/admin/model/list.html", line 111, in block "list_row_actions"
    {{ delete_form.id(value=get_pk_value(row)) }}
  File "/home/name/name/venv/lib/python2.7/site-packages/jinja2/environment.py", line 397, in getattr
    return getattr(obj, attribute)
UndefinedError: 'delete_form' is undefined