added app route error page

app/__init__.py

@@ -56,6 +56,11 @@ def create_app(config_name):
     def error():
         return 'ERROR: '
 
+    @app.route('/error_account')
+    def error_account_create():    
+        return render_template('errors/error.html', title='account creation failed')
+
+
     # misc page error catching
     @app.errorhandler(403)
     def forbidden(error):